Warren symposium follows legacy of geneticist giant

If we want to understand how the brain creates memories, and how genetic disorders distort the brain’s machinery, then the fragile X gene is an ideal place to start. That’s why the Stephen T. Warren Memorial Symposium, taking place November 28-29 at Emory, will be a significant event for those interested in neuroscience and genetics. Stephen T. Warren, 1953-2021 Warren, the founding chair of Emory’s Department of Human Genetics, led an international team that discovered Read more

Mutations in V-ATPase proton pump implicated in epilepsy syndrome

Why and how disrupting V-ATPase function leads to epilepsy, researchers are just starting to figure Read more

Tracing the start of COVID-19 in GA

At a time when COVID-19 appears to be receding in much of Georgia, it’s worth revisiting the start of the pandemic in early 2020. Emory virologist Anne Piantadosi and colleagues have a paper in Viral Evolution on the earliest SARS-CoV-2 genetic sequences detected in Georgia. Analyzing relationships between those virus sequences and samples from other states and countries can give us an idea about where the first COVID-19 infections in Georgia came from. We can draw Read more

What cancer researchers can learn from fruit fly genetics

What can scientists studying cancer biology learn from fruit flies?

Quite a lot, it turns out.  At a time when large projects such as the Cancer Genome Atlas seek to define the changes in DNA that drive cancer formation, it is helpful to have the insight gained from other arenas, such as fruit flies, to make sense of the mountains of data.

Drosophila melanogaster has been an important model organism for genetics because the flies are easy to care for, reproduce rapidly, and have an easily manipulated genome. This NCI newsletter article describes how some investigators have used Drosophila to find genes involved in metastasis.

Emory cell biologist Ken Moberg says that he and postdoctoral fellow Melissa Gilbert crafted a Drosophila-based strategy to identify growth-regulating genes that previous researchers may have missed. Their approach allowed them to begin defining the function of a gene that is often mutated in lung cancer. The results are published online in Developmental Cell.

Part of the developing fly larva, stained with an antibody against Myopic. Groups of cells lacking Myopic, which lack green color, tend to divide more rapidly.

Moberg writes:

Many screens have been carried out in flies looking for single gene lesions that drive tissue overgrowth. But a fundamental lesson from years of cancer research is that many, and perhaps most, cancer-causing mutations also drive compensatory apoptosis, and blocking this apoptosis is absolutely required for cancer outgrowth.

We reasoned that this class of ‘conditional’ growth suppressor genes had been missed in prior screens, so we designed an approach to look for them. The basic pathways of apoptosis are fairly well conserved in flies, so it’s fairly straight forward to do this.

Explanatory note: apoptosis is basically a form of cellular suicide, which can arise when signals within the cell clash; one set of proteins says “grow, grow” and another says “brake, brake,” with deadly results.

Gilbert identified the fruit fly gene Myopic as one of these conditional growth regulators. She used a system where mutations in Myopic drive some of the cells in the fly’s developing eye to grow out more – but only when apoptosis is disabled.

Gilbert showed that Myopic is part of a group of genes in flies, making up the Hippo pathway, which regulates how large a developing organ will become. This pathway was largely defined in flies, then tested in humans, Moberg says. The functions of the genes in this pathway have been maintained so faithfully that in some cases, the human versions can substitute for the fly versions.

Myopic’s ortholog (ie different species, similar sequence and function) is the gene His-domain protein tyrosine phosphatase, or HD-PTP for short. This gene is located on part of the human genome that is deleted in more than 90 percent of both small cell and non-small cell lung cancers, and is also deleted in renal cancer cells.

How HD-PTP, when it is intact, controls the growth of cells in the human lung or kidney is not known. Gilbert and Moberg’s findings suggest that HD-PTP may function through a mechanism that is similar to Myopic’s functions in the fly.

Besides clarifying what Myopic does in the fly, their paper essentially creates a map for scientists studying HD-PTP’s involvement in lung cancer, for example, to probe and validate.

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Cardiac alliance seeks improved care and response time for heart attack patients

Approximately 250,000 people each year suffer from a particularly deadly form of heart attack known as a STEMI (ST-Elevation Myocardial Infarction), in which blood flow is completely blocked to the heart. Restoring blood flow quickly is crucial in order to save the patient’s life, yet more than 30 percent of these patients receive no life-saving intervention at all.

Michael Ross, MD

Led by Emory emergency medicine physician Michael Ross, the Society of Chest Pain Centers (SCPC) and the American Heart Association (AHA) recently announced they will be joining efforts to save even more lives. The joint agreement seeks to improve cardiac care, specifically the care of patients suffering from STEMI.

The new collaborative framework for hospital accreditation meets criteria of the AHA initiative “Mission: Lifeline,” established in 2007 to improve the processes surrounding care of the STEMI patient by eliminating the obstacles that keep patients from accessing and receiving appropriate treatments.

Mission: Lifeline systems start with the 9-1-1 call or at the point of entry in the emergency system, continue through the catheterization laboratory and through hospital discharge by promoting best practices that use the latest scientific evidence-based treatment for STEMI.

Mission: Lifeline systems currently cover more than 56 percent of the United States. Mortality rates from STEMI have decreased from 5.8 percent in 2008 to 4.8 percent in 2010.

“SCPC, through their Chest Pain Center accreditation, has already improved cardiac processes in close to 14 percent of hospitals within the U.S. and has moved this accreditation to the international setting,” says Ross, who is immediate-past SCPC president and an associate professor of emergency medicine and medical director for observation medicine at Emory.

“Collaboration between these two non-profit organizations, who share similar missions, will help bring consistency to health care delivery by providing a standard approach to the treatment of STEMI. Providing cardiac accreditation programs is in the best interest of patients, meets the needs of the health care community, and will help to significantly reduce cardiac deaths.”

Both Emory University Hospital and Emory University Hospital Midtown are not only accredited by the Society of Chest Pain Centers, but are also  the only accredited chest pain centers in metropolitan Atlanta to be accredited with PCI (percutaneous coronary intervention), which indicates a higher level of emergency cardiac care services.

Most commonly known as coronary angioplasty, PCI is a therapeutic procedure to treat the narrowed coronary arteries of the heart found in coronary heart disease. The designation is a distinguishing attribute since PCI is now the preferred treatment for heart attack patients.

For more information about heart disease and cardiac care option – from heart transplants and ventricular assist devices to imaging services and minimally-invasive interventional treatments, please visit Emory Healthcare at: http://www.emoryhealthcare.org/heart-center-atlanta/.

 

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Nitrite: from cured meat to protected heart

Nitrite may be best known as a food additive used in cured meats such as hot dogs, but medical researchers are studying how it could treat several conditions, including preventing damage to the heart after a heart attack.

Leaders in the nitrite field are meeting May 11 -13, 2011 at Emory Conference Center in Atlanta. One of the lead organizers is David Lefer, PhD, professor of surgery at Emory University School of Medicine and director of the Cardiothoracic Research Laboratory. Lefer discusses the beneficial effects of nitrite in the video below. More information about the meeting is available here.

Scientists think supplying a pulse of nitrite can reduce injury to heart tissue coming from the interruption of blood flow. Several clinical trials are now investigating nitrite as a therapy for conditions such as heart attack, ruptured aneurysm, sickle cell pain crisis and cardiac arrest.

Nitrite acts as the body’s reserve for nitric oxide, which turns on chemical pathways that relax blood vessels. Delivering nitric oxide directly into the body is expensive and hard to control. Unlike nitric oxide, whose lifetime in the body is a few seconds, nitrite is stable and stored in the body’s tissues and can be delivered in a variety of ways. It is converted into nitric oxide under conditions when the body needs it: lack of blood or oxygen. In addition, sodium nitrite has been used as part of a cyanide antidote kit. This means that safety data on large doses of nitrite in critically ill people is available.

In a 2005 paper published in the Journal of Clinical Investigation, Lefer and colleagues showed that nitrite can reduce damage to the hearts of mice after a simulated heart attack. More recently, assistant professor John Calvert and Lefer have shown that internally generated and stored nitrite is an important way that exercise protects the heart from a heart attack.

Some blood pressure studies underway in Europe have participants consume large amounts of beet juice as their source of nitrate, which is then converted to nitrite in the body.

A wave of public concern about nitrite and its relative nitrate in the 1970s focused on their presence in cured meats and their ability to form nitrosamines, which can be carcinogenic. Subsequent investigation showed that actually, most of the nitrite and nitrate in the average adult’s diet come from vegetables such as broccoli and spinach, and that antioxidants such as vitamin C can prevent nitrosamine formation.

Nathan Bryan, a speaker at the conference from UT-Houston, was featured in a recent television news story about herbal supplements designed to boost nitrite in the body.

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Kidney donation kicks off life-saving chain reaction


In this video, players in this extraordinary transplant exchange tell their story.
You can also watch “The Mother of All Swaps,” a news report from 11 Alive Atlanta

When Jon Pomenville of Anderson, SC, decided to donate a kidney altruistically to someone – anyone in need, anywhere in the country – little did he know his selfless sacrifice would in turn change the lives of not one, but numerous individuals and their families, including one little boy from Atlanta.

And little did he know that the selfless, anonymous act would quickly become not so anonymous. During a recent post-surgical clinic visit to Emory University Hospital, Pomenville met by accident – right in the transplant clinic waiting room – many of the individuals whose lives were changed. Soon the patients – recipients and donors – two father and son combinations and Pomenville, the man who would give to anyone – were hugging, shaking hands, and recounting their backgrounds and experiences.

Pomenville and the others, who were all part of what is called a paired kidney exchange, were unwittingly scheduled for appointments within a short period of one another. As one person began recounting the experience, eyes and ears began to focus on the tale being told from across a crowded room.

People involved in the six-person kidney exchange

A chance meeting in a doctors’ waiting room led to a meeting between most of the people involved in the paired kidney exchange.

The Emory Transplant Center created and opened its innovative Paired Donor Kidney Exchange Program in 2009, providing greater hope for patients in need of kidney transplants. According to Kenneth Newell, MD, director of Emory’s living donor program, a paired exchange donation allows healthy individuals to donate a kidney to either a friend, loved one, or even altruistically to a stranger, despite incompatible blood matches. In paired donation, a donor and recipient are matched with another incompatible donor and recipient and the kidneys are exchanged between the pairs.

The procedure is another form of living donor transplantation. Donated kidneys also come from recently deceased donors. While most kidneys from deceased donors function well, studies have shown that a kidney from a living donor, either a blood relative or an unrelated person, provides the greatest chance for long-term success.

“Paired donor exchanges allow us to cast a much wider net to find compatible donors and recipients,” says Newell. “With a paired kidney transplant, one incompatible donor-pair is able to give a healthy kidney to a compatible recipient. In exchange, the second donor-recipient pair will give a compatible kidney to the first donor-recipient pair, making two compatible living donor transplants possible and increasing the potential number of available donor kidneys. This option can help those patients waiting for kidney transplants who have family members or friends willing to be donors and who are medically suitable, but who have an ABO blood type that is incompatible with the recipient’s blood type.”

Because of Pomenville’s donation, a 7-year-old boy named Zion was able to receive a lifesaving kidney from an unrelated donor because his dad, Mike, was able to donate. His surgery took place at Children’s Healthcare of Atlanta at Egleston.

And Gerald Smith of Five Points, Ala., would receive his life-saving kidney because his son, Matt, a recent University of Alabama graduate, would donate his to Zion. And finally, 20 year-old Edward Hill of Macon, a young man with a history of health challenges, would also receive his transplant at Children’s Healthcare of Atlanta – completing the six-person cycle, although the donor of Edward’s kidney is still unknown.

And Zion and Matt Smith will not only share a common bond and connection throughout life in the form of a kidney, but something even sweeter that that … blue Powerade.

“I’ve always really enjoyed drinking Powerade, particularly the blue flavor,” says Smith. Shortly after Zion awoke from his surgery, he inexplicably began requesting the blue-tinted soft drink too.

Other powerful kidney transplant stories out of Emory:

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Children with Food Allergies Offered Better Diagnosis and Treatment with New Guidelines

Twenty years ago, food allergies had barely been heard of. Now, they are a $500 million health problem that affects more than 12 million Americans, including three million children. New federal guidelines issued by the National Institute of Allergy and Infectious Diseases (NIAID) will help physicians better diagnose and treat food allergies, according to Karen Demuth, MD, an assistant professor of pediatrics in the Emory University School of Medicine, and a physician on staff at Children’s Healthcare of Atlanta.

Dr. Demuth was a key player in advancing legislation to call attention to the challenges of food allergies in children. She and several of her patients were on hand to witness Governor Nathan Deal signing a proclamation declaring May 8 to 14 Food Allergy Awareness Week in Georgia.

Dr. Demuth (pictured far right) was a key player in advancing legislation to call attention to the challenges of food allergies in children. She and several of her patients were on hand to witness Governor Nathan Deal signing a proclamation declaring May 8 to 14 Food Allergy Awareness Week in Georgia.

“The new NIAID guidelines help providers understand food allergies,” Demuth says. “They address when we should consider a food allergy and the utility of testing for food allergy. In addition, they address the management of food allergies, including acute reactions and follow-up of individuals with food allergy.”

The guidelines are comprised of input from a panel of 25 experts and draw the important distinction between food allergies and food intolerances. Food allergies are defined as “an adverse health effect arising from a specific immune response hat occurs reproducibly on exposure to a given food.” Food intolerances produce an adverse reaction but are likely not related to an immune response.

The most common food allergies are to milk, eggs, peanuts, tree nuts, shellfish, fish and soy. Fortunately, the understanding of food allergies and the best ways to manage them is expanding.

“The gold standard of treatment of food allergies – avoidance – has remained constant throughout the years,” Demuth says. “There are new therapies on the horizon such as oral immunotherapy, vaccines and a Chinese herbal extract; however, these therapies are still considered experimental. At the Emory-Children’s Center, we are active in research and advocacy in pediatric allergies so that we can bring new treatments to our patients when they are ready for widespread use. We are dedicated solely to the care of children with allergic and immunologic disorders and offer multidisciplinary clinics to offer a specialized level of care.”

Video

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Brain enhancement: can and should we do it?

The Emory Center for Ethics and Emory’s Neuroscience Graduate Program recently co-hosted a symposium discussing the ethics of brain-enhancing technologies, both electronic and pharmacological.

Georgia Tech biomedical engineer Steve Potter explained his work harnessing the behavior of neurons grown on a grid of electrodes. The neurons, isolated from rats, produce bursts of electrical signals in various patterns, which can be “tuned” by the inputs they receive.

“The cells want to form circuits and wire themselves up,” he said.

As for future opportunities, he cited the technique of deep brain stimulation as well as clinical trials in progress, including one testing technology developed by the company Neuropace that monitors the brain’s electrical activity for the purpose of suppressing epileptic seizures. Similar technology is being developed to help control prosthetic limbs and could also promote recovery from brain injury or stroke, he said. Eventually, electrical stimulation that is not modulated according to feedback from the brain will be seen as an overly blunt instrument, even “barbaric,” he said.

Mike Kuhar, a neuroscientist at Yerkes National Primate Research Center, introduced the topic of cognitive enhancers or “smart drugs.” He described one particular class of proposed cognitive enhancers, called ampakines, which appear to improve functioning on certain tasks without stimulating signals throughout the brain. Kuhar questioned whether “smart drugs” pose unique challenges, compared to other types of drugs. From a pharmacology perspective, he said there is less distinction between therapy and enhancement, compared to a perspective imposed by regulators or insurance companies. He described three basic concerns: safety (avoiding toxicity or unacceptable side effects), freedom (lack of coercion from governments or employers) and fairness.

“Every drug has side effects,” he said. “There has to be a balance between the benefits versus the risks, and regulation plays an important role in that.”

He identified antidepressants and treatments for attention deficit-hyperactivity disorder or the symptoms of Alzheimer’s disease as already raising similar issues. The FDA has designated mild cognitive impairment associated with aging as an open area for pharmaceutical development, he noted.

James Hughes, a sociologist from Trinity College and executive director of the Institute for Ethics and Emerging Technologies, welcomed new technologies that he said could not only treat disease, but also enhance human capabilities and address social challenges such as criminal rehabilitation. However, he did identify potential “Ulysses problems”, where users of new technologies would need to exercise control and judgment.

In contrast, historian and Judaic scholar Hava Tirosh-Samuelson, from Arizona State University, decried an “overly mechanistic and not culturally-based understanding of what it means to be human.” She described transhumanism as a utopian extension of 19th century utilitarianism as expounded by thinkers such as Jeremy Bentham.

“Is the brain simply a computational machine?” she asked.

The use of military metaphors – such as “the war on cancer” – in the context of mental illness creates the false impression that everything is correctable or even perfectable, she said.

Emory neuroscience program director Yoland Smith said he wants ethics to become a strong component of Emory’s neuroscience program, with similar discussions and debates to come in future years.

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Proton Therapy and Its Importance to Georgia

From Clinic to You

By Walter J. Curran, Jr., MD
Executive Director, Winship Cancer Institute
Chair, Department of Radiation Oncology, Emory University School of Medicine

Walter J. Curran, Jr., MD

Walter J. Curran, Jr., MD

Emory Healthcare is a key player in plans to bring the world’s most advanced radiation treatment for cancer patients to Georgia.  Emory Healthcare has signed a letter of intent with Advanced Particle Therapy, LLC, of Minden, Nevada, opening the door to a final exploratory phase for development of The Georgia Proton Treatment Center – Georgia’s first proton therapy facility.

For certain cancers, proton therapy offers a more precise and aggressive approach to destroying cancerous and non-cancerous tumors, as compared to conventional X-ray radiation. Proton therapy involves the use of a controlled beam of protons to target tumors with precision unavailable in other radiation therapies. According to The National Association for Proton Therapy, the precise delivery of proton energy may limit damage to healthy surrounding tissue, potentially resulting in lower side effects to the patient. This precision also allows for a more effective dose of radiation to be used.

Proton therapy is frequently used in the care of children diagnosed with cancer, as well as in adults who have small, well-defined tumors in organs such as the prostate, brain, head, neck, bladder, lungs, or the spine.  And research is continuing into its efficacy in other cancers.

The gantry, or supporting structure, of a proton therapy machine.

The gantry, or supporting structure, of a proton therapy machine.

The closest proton therapy facility to Georgia is the University of Florida Proton Therapy Institute in Jacksonville.  Currently there are only nine proton therapy centers in the United States, including centers at Massachusetts General Hospital, MD Anderson Cancer Center in Houston and the University of Pennsylvania.

This is an exciting development in our ability to offer not only patients throughout Georgia and the Southeast the widest possible array of treatment options but patients from around the world who can come to Atlanta via the world’s busiest airport, Hartsfield-Jackson International. In addition, we will work to expand its utility and access for patients through collaborative research projects with Georgia Tech and other institutions. Winship physicians will also be able to reach out to their international colleagues and provide direction in how best to study and implement this technology in the care of cancer patients.

Under the letter of intent, Emory Healthcare faculty and staff will provide physician services, medical direction, and other administrative services to the center. Advanced Particle Therapy, through a Special Purpose Company, Georgia Proton Treatment Center, LLC, (GPTC) will design, build, equip and own the center.  The facility, which will be funded by GPTC, will be approximately 100,000 square feet and is expected to cost approximately $200 million.  Site selection for the facility is underway, and pending various approvals, groundbreaking is expected in the Spring of 2012.

Video

The follow video presents a 3D simulation of proton therapy technology.

Additional Information:

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March for Babies – March for Hope

As parents we hope all babies are born with a healthy start in life, after a full 37 – 40 weeks in the womb. Sadly, every year more than half a million babies are born prematurely in the United States. The rate of premature birth has risen by 30 percent since 1981 according to the March of Dimes. It’s not clear why some babies are born before full gestation – before their lungs, brains or other organs are fully developed. Thousands don’t live to celebrate their first birthday as a result.

In Georgia more than 400 babies are born too soon each week.  Dr. William Sexson, a neonatologist and professor of pediatrics at Emory University School of Medicine and March of Dimes Prematurity Campaign Chair witnesses the effects of preterm birth every day.  He says, “Premature birth is the leading cause of infant mortality. Babies born just a few weeks too soon are at increased risk for newborn health complications, such as breathing problems, can face serious health challenges and are at risk of lifelong disabilities.”

On Saturday April 30, 2011, a legion of more than 10,000 families and business leaders from across Georgia will band together for the March of Dimes annual “March for Babies.” With more than 30 “March for Babies” events planned throughout the state, the annual affair is the nation’s oldest walk fundraiser dedicated to preventing premature birth, birth defects and infant mortality.

“March for Babies” supports research and educational programs aimed at helping women have healthy babies. Funds raised from the “March for Babies” event will support prenatal wellness programs, critical research and community grants, along with local resources such as the Angel II neonatal transport unit at Grady Memorial Hospital.

Most pregnancies last around 40 weeks. Babies born between 37 and 42 completed weeks of pregnancy are called full term. Babies born before 37 completed weeks of pregnancy are called premature. “Women who have hypertension and diabetes are at higher risk to have preterm babies or babies with health problems,” says Sexson.

According to the March of Dimes, the most urgent infant health problem in the U.S. today is premature birth. It affects more than half a million babies each year and is the leading cause of newborn death within the first month of life. Last November, the March of Dimes issued a Report Card on Premature Birth, giving the nation a “D” and Georgia, the grade of “F.”  Sexson adds, “We have a long way to go before all babies in America get a healthy start in life and we are committed to working with state health officials, hospitals and health care providers to continue to fight for preemies.”

The March of Dimes is the leading nonprofit organization with its mission to improve the health of babies by preventing birth defects, premature birth and infant mortality.

For more information, or to participate in “March for Babies” visit marchofdimes.com.

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Talent in the pipeline

The Pipeline program, an initiative led by Emory medical students to improve college readiness and promote health career interest among Atlanta high school students, held graduation ceremonies Wednesday night at Emory University School of Medicine.

Graduating seniors and their mentors. All 19 seniors have at least one college acceptance, reports Pipeline co-founder Zwade Marshall.

Leaders at South Atlanta School of Health and Medical Sciences credit Pipeline with sparking interest in health science careers and bolstering attendance and academic performance.

“We see more leadership, not just in class but in the whole building,” says Edward Anderson, a teacher who coordinates the program. “Students are picking up the torch and running with it. I believe they will be future leaders and have a great impact.”

Sophomores, juniors, and seniors have access to a distinct curriculum with a classroom component, one-on-one mentoring by Emory undergraduates, and hands-on demonstrations. Sophomores explore infectious diseases and HIV/AIDS. Juniors study neuroscience. And seniors—who get help with college application coaching—focus on cardiology and community outreach, culminating in a health fair that they organize at their school.

Pipeline is run by Emory student volunteers with the support of the School of Medicine Office of Multicultural Medical Student Affairs, the Office of University-Community Partnerships, and the Emory Center for Science Education.

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EPA Administrator Jackson leads town hall on children’s health

People don’t think of the Environmental Protection Agency as a public health agency, says EPA Administrator Lisa P. Jackson, but the EPA’s job is to protect the health of adults and children by safeguarding air and water and promoting clean communities. Jackson was the keynote speaker last week at a Children’s Health Town Hall at Emory’s Rollins School of Public Health.

Children eat more, drink more, and breathe more in proportion to their body weight than adults, and without the EPA our jobs as parents would be much more difficult, said Jackson. And although a renewed focus on reducing air pollution has significantly improved air quality, still millions of young people have asthma and are particularly susceptible to pollution, and there have been no limits on some pollutants, such as mercury emissions from coal-fired power plants.

Last month the EPA presented the first national mercury and air toxicity standards for power plants, Jackson noted. This effort to cut emssions of mercury, arsenic, and other neurotoxins is a common sense goal that would save lives and prevent 17,000 premature deaths annually, she said.

Laura Seydel, Paige Tolbert , Stephanie Owens, EPA

The EPA recently named Emory and Georgia Tech as one of four new EPA Clean Air Research Centers and awarded $8 million to the new Southeastern Center for Air Pollution and Epidemiology (SCAPE) center. Center directors Paige Tolbert from Emory and Armistead (Ted) Russell from Georgia Tech will lead programs aimed at quantifying health effects from air mixtures containing toxic pollutants and studying the specific effects of toxic air on commuters, pregnant women, newborns, and adults with cardiac illnesses.

Russell noted the tremendous cost of air pollution, including millions of lost school days for asthmatic children, and the important of using study results as the basis for changes in policy.

A “Call to Action” panel of experts and advocates at the town hall suggested steps everyone can take to improve environmental health.

Environmental health champion Laura Seydel called for “zero waste zones” in homes, churches, and offices, and the outlawing of toxic chemicals to help create “zero toxic waste zones” in the bodies of adults and children.

Laura Seydel, Robert Geller

Dr. Robert Geller, director of the Southeast Pediatric Environmental Health Speciality Unit at Emory, and Director of the Georgia Poison Center, emphasized the importance of lowering exposure to toxic chemicals for children in the first two years of life, including contaminated soil. Civic leaders should expect the EPA to use the best science to advance its programs of reducing pollution.

Irene Barton of the Georgia PTA recommended using local school wellness councils to advocate for children.

Attorney Brian Gist of the Southern Environmental Law Center warned about mercury toxicity in Georgia fish and in sushi, and applauded efforts to regulate emission of mercury from coal-fired power plants.

Maeve Howett, an Emory pediatric nurse practitioner and a faculty member in Emory’s School of Nursing, encouraged everyone to make a personal commitment to choosing transportation that is less harmful to the environment, for the sake of children with asthma.

A videocast of the town hall is available.

 

 

 

 

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