EHP: The Researcher's Perspective
58 episodes - English - Latest episode: over 4 years ago - ★★★★★ - 3 ratingsIn this original podcast series, researchers from across the environmental health sciences offer insights into the motivation and vision driving their work. They also explore the implications of their findings for human health.
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Episodes
The Art of the Algorithm: Machine Learning in Environmental Health Research, with Nicole Kleinstreuer
February 13, 2020 00:00 - 13 minutes - 19.2 MBWe live in a time when investigators have overwhelming amounts of health-related data at their fingertips. In this podcast, Nicole Kleinstreuer explains how environmental health scientists are using machine learning to make sense of the information in those data—for example, predicting toxicological end points based on large curated data sets. But even as machine learning advances, researchers are working to set realistic expectations and performance thresholds for these new methods...
The Global Burden of Mercury Exposure, with Niladri Basu
November 12, 2019 00:00 - 11 minutes - 15.8 MBMethylmercury, the most toxic form of mercury, is found in seafood around the world, and it can cause severe health effects in people who are exposed to it. Governments are working to reduce the amount of mercury that finds its way into the environment. Dozens of countries have pledged to implement measures to reduce mercury pollution. In this podcast, Niladri Basu discusses his recent systematic review, which estimates global baseline mercury exposures. These estimates will help co...
Green and Serene? Exploring the Relationship between Vegetation and Mental Health, with Rachel Banay
October 01, 2019 00:00 - 11 minutes - 15.9 MBCan living in green surroundings make you healthier and happier? It’s a tantalizing idea. In this podcast, guest Rachel Banay discusses her recent EHP study on depression in older women in relation to the amount of greenness near their homes. The study is part of a growing body of research that suggests there may, in fact, be health benefits associated with spending time in or near green spaces—although it is too soon to draw any firm conclusions about the nature and direction of th...
Key Characteristics: A New Approach to Identifying Potential Toxicants, with Martyn Smith
July 22, 2019 18:22 - 14 minutes - 19.6 MBIt would be nearly impossible using current methods to test all the chemicals in use for toxic effects. So how do we prioritize which ones to study? In this podcast, Martyn Smith describes how he and his colleagues are developing lists of “key characteristics” shared by toxicants that cause specific adverse health effects, such as cancer or male or female reproductive toxicity. Risk assessors can use this information to predict the toxicity of other chemicals in an organized, system...
Wind Turbines and Health: The Noise Connection, with Aslak Harbo Poulsen
May 20, 2019 00:00 - 10 minutes - 15.1 MBFor some people, the whoosh of wind turbines is the sound of clean energy. For others, it is the sound of an environmental exposure that could possibly cause adverse health effects. Wind turbine noise has been studied in relation to diabetes, hypertension, preterm birth, and more. In this podcast, Aslak Harbo Poulsen discusses his research on wind turbine noise in relation to two more outcomes: likelihood of filling prescriptions for sleeping pills or antidepressants, and risk of he...
A Regrettable Substitute: The Story of GenX, with Jane Hoppin
March 14, 2019 00:00 - 15 minutes - 10.5 MBDuPont introduced GenX almost 10 years ago as a chemical substitute for perfluorooctanoic acid (PFOA). Although GenX was intended to be less environmentally persistent than PFOA, it has turned out to be what is known as a “regrettable substitute,” whose effects may be as bad as or even worse than the chemical it replaced. In this podcast, guest Jane Hoppin discusses her work assessing exposures to GenX and related chemicals in people living in the Lower Cape Fear River Basin of No...
Arsenic and Obesity: A Compound Risk Factor for Diabetes? with Mirek Stýblo
January 28, 2019 17:00 - 11 minutes - 8.2 MBAlthough obesity is a major risk factor for diabetes, certain environmental agents, such as arsenic, also appear to contribute to the disease. There is evidence that an individual’s risk of arsenic-related disease depends on how efficiently he or she metabolizes arsenic. But what if that individual is both obese and exposed to arsenic? In this podcast, guest Mirek Stýblo discusses his recent work exploring the role that diet plays not just in arsenic metabolism but also in the diabe...
Phthalates and Childhood Asthma, with Randi Bertelsen
March 01, 2013 17:00 - 9 minutes - 6.7 MBSeveral studies have reported links between asthma in children and the presence of phthalates in dust from the children’s homes. But the presence of a chemical is not the same thing as exposure, so Norway’s Environment and Childhood Asthma Study has taken the research a step farther by measuring phthalates in the urine of children with and without asthma. In this podcast Randi Bertelsen discusses her recently published findings. Visit the podcast webpage to download the full transcr...
An Unlikely Duo: Air Pollution’s Link to Low Birth Weight, with Tracey Woodruff
February 01, 2013 05:00 - 10 minutes - 7.31 MBWhen you think about the health effects of air pollution, what comes to mind? Lung disease? Cancer? One health effect you might not immediately think of is low birth weight, a risk factor for a variety of other health problems later in life. Yet a growing body of evidence indicates that birth weight and other gestational outcomes can be influenced by a mother’s exposure to fine particulate matter air pollution. In this podcast Tracey Woodruff discusses new findings on this link from...
The Secret Life of Fat, with Michele La Merrill
January 02, 2013 17:00 - 8 minutes - 5.57 MBYour bulges are busier than you may think…Many people see adipose tissue—fat—as nothing more than lumpy extra baggage. But fat serves several important functions in the body. It helps us store energy and endocrine hormones that can affect behavior, energy regulation, immune and vascular function—to name a few. It also protects against toxic effects of persistent organic pollutants, or POPs. In this podcast, Michele La Merrill talks with host Ashley Ahearn about the diverse ways that...
Leaded Aviation Gasoline and Child Blood Lead Levels, with Marie Lynn Miranda
December 01, 2012 05:00 - 9 minutes - 6.57 MBDespite dramatic decreases in atmospheric lead levels over the past few decades, lead exposure remains a problem, especially for children. In this podcast, Marie Lynn Miranda discusses one remaining, albeit relatively minor, source of lead exposure: leaded aviation gasoline. Visit the podcast webpage to download the full transcript of this podcast.
Exploring Links between Arsenic and Diabetes, with Ana Navas-Acien
November 01, 2012 04:00 - 9 minutes - 6.56 MBArsenic is a problem in communities around the world, from Bangladesh to New Hampshire. It’s one of the environmental chemicals the National Toxicology Program explored at a recent workshop as possibly contributing to the worldwide rise in diabetes. In this podcast, Ana Navas-Acien talks about a new review by investigators at that workshop, who summarize the evidence for a link between arsenic exposure and diabetes. Visit the podcast webpage to download the full transcript of this p...
Post-Katrina Asthma in the Children of New Orleans, with Patricia Chulada
October 01, 2012 04:00 - 9 minutes - 6.64 MBNew Orleans is already known as a hot, moist place—ideal growing conditions for mold. Now factor in Hurricane Katrina, which hit the city in August of 2005, leaving behind even more indoor mold and other asthma-causing allergens. Host Ashley Ahearn talks with Patricia Chulada about research to study and improve post-Katrina asthma symptoms in the children of New Orleans. Visit the podcast webpage to download the full transcript of this podcast.
Epigenomics and Maternal Smoking, with Bonnie Joubert and Stephanie London
September 01, 2012 16:00 - 7 minutes - 5.4 MBChildren whose mothers smoked during pregnancy are more likely to have problems like low birth weight, asthma, and possibly obesity, cancer, and high blood pressure. For clues into the mechanism behind these effects, scientists are looking to the epigenome, the personalized set of directions that tells our cells how and when to produce proteins, which is one of the ways gene activity is controlled. In this podcast Stephanie London and Bonnie Joubert discuss the results of their rece...
Climate Change and Migration, with Celia McMichael and Jon Barnett
August 01, 2012 16:00 - 12 minutes - 8.66 MBOver the past million years humans have migrated in response to food shortages, droughts, ice ages, and many other reasons, but in the coming decades, migrations related to climate change are expected to increase, perhaps dramatically. Different circumstances—be it forced displacement, a planned resettlement, or migration into a city—can present different humanitarian and health adversities, but population movements also can offer benefits for migrants themselves, the communities th...
What Do We Know about Obesogens? with Bruce Blumberg
July 02, 2012 04:00 - 8 minutes - 6.12 MBHuman beings, as a species, are putting on weight. Obesity rates are rising in rich and poor countries alike for a variety of reasons, from changing dietary habits and activity levels to exposure to artificial nighttime light. Mounting evidence from over the past decade suggests that certain chemicals may be playing a role as well. For some people, so-called obesogens may be altering their metabolism and fat cell development, making it harder to maintain a healthy weight. In this po...
Low-dose Effects of Endocrine Disruptors, with Laura Vandenberg
June 01, 2012 16:00 - 8 minutes - 5.86 MBReproduction, growth, behavior, and sleep patterns are just a few of the bodily functions controlled by hormones. Researchers around the world are examining what happens if chemical substances we’re exposed to in our daily lives interrupt or imitate natural hormonal messages. The body of scientific evidence so far suggests that even at very low doses, exposures to endocrine disruptors may have very real effects, and that low-dose effects may disappear at higher doses, giving an illu...
Bite of Arsenic, with Kathryn Cottingham
May 01, 2012 16:00 - 7 minutes - 5.44 MBMany organic foods and high-energy products are sweetened with brown rice syrup as an alternative to high-fructose corn syrup. Consumers who eat these products may be avoiding high-fructose corn syrup, but they also may be exposed to arsenic that's been absorbed by the rice plants from which the syrup is made. In this podcast, Kathryn Cottingham talks with host Ashley Ahearn about her recent market-basket study of products containing brown rice syrup and other rice-based ingredients...
Global Mortality from Outdoor Smoke, with Fay Johnston and Sarah Henderson
April 01, 2012 16:00 - 9 minutes - 6.2 MBBurning forests, grasslands, and fields have been part of the landscape probably for as long as humans have been on the planet. But it's only in recent years that we've begun to explore the health effects of exposure to landscape fire smoke, which is now known to exacerbate preexisting disease and induce new disease. In some parts of the world, people are chronically exposed to smoke from landscape fires that burn for a large portion of the year. In other areas, exposure is sporad...
Phthalates in Medicinal Products, with Katherine Kelley
March 01, 2012 17:00 - 5 minutes - 3.63 MBAmericans are widely exposed to phthalates in soft plastic products from toys to medical equipment. A perhaps lesser-known potential source of exposure is the timed-release coatings on certain pharmaceuticals and dietary supplements, which enable active ingredients to reach the correct part of the gastrointestinal tract for working properly. In this podcast, host Ashley Ahearn talks to Katherine Kelley about her new study on the extent to which phthalates are used in medicinal produ...
Managing Wastewater from Fracking, with Robert B. Jackson
February 01, 2012 17:00 - 8 minutes - 5.88 MBHydraulic fracturing ("fracking") is a controversial practice used in natural-gas drilling. Fracking makes it much more feasible to free the vast reserves of natural gas locked underground, but the practice comes with concerns that the natural gas boom is proceeding too fast, before we understand the human health impacts. Discussions about fracking and community health typically involve questions about methane contamination of drinking water wells around drill sites. In this podcast...
Mixed Metals Exposures in Children, with Robert O. Wright
January 01, 2012 17:00 - 7 minutes - 4.96 MBIn our daily lives we're rarely exposed to just one chemical at a time. Metals, for example, are ubiquitous in the environment, and most of us are exposed to different combinations of metals each day through air, water, and food. Simultaneous exposures to different metals may have synergistic effects in children, whose developing brains are particularly vulnerable to adverse effects from these potentially neurotoxic agents. In this podcast host Ashley Ahearn discusses the neurodevel...
Climate Change, Crop Yields, and Undernutrition, with Sari Kovats
December 01, 2011 17:00 - 15 minutes - 3.48 MBWith more than 1 billion people estimated to not have enough to eat, food security is a pervasive problem. An estimated one-third of the global burden of disease afflicting children under the age of 5 is caused by undernutrition. Climate change is anticipated to reduce cereal yields, further threatening food security and potentially increasing child undernutrition. In this podcast, host Ashley Ahearn discusses the connection between climate change and undernutrition with researcher ...
Assessing the Science of Cell Phone Safety, with David Savitz
November 01, 2011 16:00 - 55 minutes - 6.42 MBCell phones have become an integral part of many people’s lives. But could our constant contact with these devices be affecting our health? That question has been the subject of international debate and intense study in recent years. In this podcast, David Savitz of Brown University discusses evidence from epidemiologic studies of cell phone safety with host Ashley Ahearn. Visit the podcast webpage to download a full transcript of this podcast.
Early Influences on Mammary Gland Development, with Suzanne Fenton
October 01, 2011 16:00 - 6 minutes - 4.43 MBStudies are showing a trend of girls developing breasts and going through puberty earlier than they did in years past. Now researchers are investigating the role environmental exposures may play in this trend and the potential long-term health effects of earlier development. In this podcast, host Ashley Ahearn discusses with researcher Suzanne Fenton how research on environmental exposures and mammary gland development in rodents might be used to assess risks for humans. Visit the p...
What Does Climate Change Have To Do with Human Health? with John Balbus
September 01, 2011 16:00 - 8 minutes - 5.78 MBClimate change is not just a problem for rivers and reservoirs that are running dry, or forests and grasslands that are seeing an increased incidence of wildfire, or Arctic wildlife stressed by rapidly changing ecosystems. It’s a problem for human health, too, as John Balbus discusses with host Ashley Ahearn. It can be tricky to attribute specific health effects to climate change, which reflects trends in the weather averaged over decades. But short-term weather fluctuations are k...
The Legacy of Waste Couture, with Luz Claudio
August 01, 2011 04:00 - 6 minutes - 4.4 MBIn the 2007 news feature "Waste Couture: Environmental Impact of the Clothing Industry," EHP explored the environmental and occupational health implications of producing cheap—indeed, virtually disposable—clothing. This story has gone on to become the journal’s most popular article of all time. Author Luz Claudio tells host Ashley Ahearn about the inspiration for "Waste Couture," why this story has captured so much attention, and changes she has seen in fashion since its publication...
Chemical Contamination in Tohoku, with Lizzie Grossman and Winnie Bird
July 01, 2011 04:00 - 7 minutes - 5.1 MBThe Tohoku earthquake and tsunami of 11 March 2011 devastated entire swaths of the Japanese coastline and killed thousands of people. Much of the attention following the disaster has focused on radiation exposures from the damaged Fukushima Daiichi nuclear power plant. Now public health officials are beginning to assess another potential source of disaster-related exposures: hazardous chemicals that may have been released when major industrial centers along Japan’s east coast were d...
Air Pollution in China, with Junfeng (Jim) Zhang
June 01, 2011 16:00 - 8 minutes - 5.56 MBAir pollution in China, one of the world’s oldest civilizations, reflects a combination of traditional and modern-day factors. Severe air pollution in Chinese cities is the result of rapid industrialization, urbanization, and growth in vehicle use. At the same time, traditional indoor burning of solid fuels such as coal and dung presents acute, severe exposures to pollutants including particulate matter, carbon monoxide, arsenic, and mercury. In this podcast, Junfeng (Jim) Zhang tel...
Communicating about Chemical Body Burden, with Tracey Woodruff and Rachel Morello-Frosch
May 01, 2011 04:00 - 10 minutes - 7.04 MBBiomonitoring studies reveal what we've been exposed to, but the significance of these exposures is not always clear—and when the participants in such studies are children or pregnant women, this lack of certainty can be especially unnerving. Reporting body burden findings back to study participants and to the general public therefore poses major ethical and logistical dilemmas, as Tracey Woodruff and Rachel Morello-Frosch discuss with host Ashley Ahearn. Visit the podcast webpage t...
Asbestos Trends Worldwide, with Richard Lemen
April 01, 2011 16:00 - 10 minutes - 7.31 MBThe International Agency for Research on Cancer, the National Toxicology Program, and the Environmental Protection Agency all declared asbestos a known human carcinogen decades ago. Yet U.S. imports of crude chrysotile asbestos fibers rose by 235% between 2009 and 2010, and use is also on the rise in many industrializing, developing countries. Richard Lemen tells host Ashley Ahearn what's driving this growth and how asbestos is currently used worldwide. Visit the podcast webpage to ...
Benchmarks of Toxicology, with Peter Goering
March 01, 2011 17:00 - 7 minutes - 4.87 MBIn honor of its fiftieth anniversary the Society of Toxicology teamed up with the National Institute of Environmental Health Sciences, the National Toxicology Program, and Environmental Health Perspectives to produce a poster celebrating some of the foremost "benchmarks" of the field. In this podcast Peter Goering tells host Ashley Ahearn how he and other members of the evaluation group chose from centuries' worth of accomplishments to select the people and events that best illustra...
A Better Understanding of BPA Metabolism, with Frederick vom Saal
February 04, 2011 05:00 - 9 minutes - 6.3 MBBisphenol A (BPA) is used in a wide variety of consumer products, and biomonitoring studies indicate widespread exposure to the compound. Much of the hesitation to regulate BPA up to now has stemmed from uncertainty about whether health effects reported in laboratory animals—which include heart disease, obesity, diabetes, reproductive health problems, and several types of cancer—can be extrapolated to humans. In this podcast, Frederick vom Saal discusses recent findings that suggest...
The San Antonio Statement, with Åke Bergman
January 01, 2011 17:00 - 5 minutes - 3.85 MBBrominated and chlorinated flame retardants are widely used in upholstered furniture and foam products. These compounds have been found to accumulate in the bodies of humans, and although more information is needed on health effects, the available toxicity data are troubling. In this podcast, Åke Bergman discusses the San Antonio Statement on Brominated and Chlorinated Flame Retardants, drafted in September 2010, in which an international group of scientists calls for greater awaren...
ADHD and Environmental Risk Factors, with Susan Schantz
December 01, 2010 05:00 - 8 minutes - 5.55 MBAttention deficit/hyperactivity disorder, or ADHD, is one of the most frequently diagnosed neurobehavioral problems in children and is thought to be largely hereditary. But only a small number of cases have been linked to specific genes, leading many researchers to explore the impact of environmental exposures. In this podcast, Susan Schantz discusses how the neurologic effects of lead and polychlorinated biphenyls compare with symptoms of ADHD and what environmental health research...
Risks and Benefits of Pool Chlorination, with Manolis Kogevinas
November 01, 2010 16:00 - 7 minutes - 5.08 MBChlorine is one of the most common disinfectants used to kill microbes in water and make it safe for humans to swim in and drink. But when chlorine and other disinfectants combine with organic matter in pools such as sweat, urine, and skin cells, the results are disinfection by-products (DBPs), which have been linked with adverse health effects in animals and humans. In this podcast, Manolis Kogevinas discusses recent research on the carcinogenic and genotoxic potential of DBPs, but...
Neurobehavioral Effects of Artificial Food Dyes, with Bernard Weiss
October 01, 2010 16:00 - 7 minutes - 5.03 MBIn the past several decades there has been a sharp increase in the amount of artificial dyes and flavorings children encounter daily in foods, beverages, medicines, and toiletries such as toothpaste. Over the same period there has been a marked increase in the number of diagnoses of neurobehavioral disorders such as attention deficit/hyperactivity disorder. Bernard Weiss began studying potential links between artificial food dyes and neurobehavioral effects in children in the late 1...
Nine Years Later: Exposures after the World Trade Center Attacks, with Paul Lioy
September 11, 2010 16:00 - 7 minutes - 5.14 MBThe collapse of the World Trade Center buildings on 11 September 2001 created a massive cloud of dust that blanketed lower Manhattan and parts of Brooklyn. That dust comprised a complex mixture of building materials, office equipment, jet fuel, and combustion by-products. In this podcast, Paul Lioy discusses how this dust differs from other particulate matter and how these differences may have affected the health of those who were exposed to the dust. Lioy is the deputy director of ...
Nine Years Later: Health Effects in World Trade Center Responders, with Philip Landrigan
September 01, 2010 16:00 - 9 minutes - 6.67 MBAs many as 70,000 volunteers and rescue workers responded to the 11 September 2001 World Trade Center (WTC) attacks, many toiling for months to clear mountains of debris containing a range of toxic compounds. Health effects seen since that time in WTC responders include respiratory, gastrointestinal, chemosensory, and mental health problems; many of these effects have persisted for years. In this podcast, Philip Landrigan discusses his work with WTC responders as a physician and an ...
Dispersants in the Wake of the Deepwater Horizon Spill, with Dana Wetzel
August 01, 2010 16:00 - 10 minutes - 7.1 MBAlthough dispersants have been used to help clean up oil spills since the 1960s, it wasn't until the Deepwater Horizon disaster in the Gulf of Mexico that these chemicals made their way into the public consciousness. Use of dispersants always involves an environmental tradeoff, but the Deepwater Horizon situation presents special considerations because the chemicals are being used a mile underwater for the first time ever. In this podcast, Dana Wetzel discusses the dispersants used ...
Delayed Reaction: The Fetal Basis of Adult Disease, with Deborah Cory-Slechta
July 01, 2010 16:00 - 9 minutes - 6.48 MBExposure to certain chemicals or stressors in utero can cause immediate health effects for fetuses and babies including lowered birth weight, birth defects, and impaired neurodevelopment. New lines of research are now showing that prenatal exposures may also contribute to health problems that typically arise later in life—such as obesity, diabetes, cardiovascular disease, cancer, and Parkinson disease—via changes to DNA transcription and the hypothalamic–pituitary–adrenal axis. In t...
Fifty Thousand Strong: The Sister Study, with Dale Sandler
June 01, 2010 16:00 - 9 minutes - 6.74 MBIn the United States more than 40,000 women die of breast cancer each year, and almost 200,000 women develop the disease. Although survival rates have improved and risk factors have been identified, the causes of breast cancer remain unclear. In 2004 researchers at the National Institute of Environmental Health Sciences (NIEHS) began recruiting sisters of breast cancer patients for a study to explore environmental and genetic factors behind this disease. Now that more than 50,000 wo...
Human Exposure to PBDEs, with Heather Stapleton
May 01, 2010 04:00 - 9 minutes - 6.36 MBFlame retardants known as polybrominated diphenyl ethers (PBDEs) are added to products such as furniture, car seats, textiles, and electronics. These chemicals improve safety by giving consumers more time to react if a fire breaks out. But now they are also showing up in the food we eat, the dust in our houses, and the bodies of possibly the entire U.S. population; meanwhile, recent evidence suggests the potential for worrisome neurodevelopmental effects. In this podcast, Heather St...
Reflections of a Pioneer, with Theo Colborn
April 01, 2010 04:00 - 10 minutes - 7.02 MBIn the 1950s biologists began noticing unusual behavior and various reproductive health problems in wild animals. Environmental health analyst Theo Colborn was one of the first to start asking what those trends might mean for humans. In this podcast marking the 40th anniversary of Earth Day, Colborn discusses her research on the endocrine-disrupting effects of chemicals in the Great Lakes ecosystem—research that broke new ground in the field of environmental toxicology. Colborn, co-...
Toxicity Forecast, with Robert Kavlock
March 01, 2010 17:00 - 9 minutes - 6.53 MBEvery year about 2,000 new chemicals are submitted to the U.S. Environmental Protection Agency (EPA) for safety approval. Figuring out how a chemical might affect human health involves lab studies that can cost millions of dollars and take years to complete. Now a team of researchers at the EPA is working on a way to make the safety testing process more efficient and less expensive. In this podcast, Robert Kavlock describes the EPA ToxCast™ project, which uses existing toxicity know...
Studying Autism and Mercury, with Irva Hertz-Picciotto
February 01, 2010 17:00 - 9 minutes - 6.21 MBAn estimated 1-1.5 million Americans live with autism, a neural disorder characterized by impaired social interaction and communication. Some research suggests environmental factors play a role in autism, while other findings point to a genetic basis. More recently there's been a heated public debate about whether autism is caused by the mercury in vaccines commonly given to children. In this podcast, Irva Hertz-Picciotto discusses the implications of research comparing blood mercur...
DDT: The Good, the Bad, and the Unknown, with Brenda Eskenazi
January 01, 2010 17:00 - 8 minutes - 5.97 MBDDT is unique among the "dirty dozen" compounds banned under the Stockholm Convention on Persistent Organic Pollutants because specific exceptions are made for the indoor spraying of this pesticide to control the mosquitoes that spread malaria. DDT is a cheap, effective weapon against the spread of this disease, which infects nearly 250 million people each year and kills nearly 1 million. However, little is known about the long-term human health effects of exposure to DDT in the con...
Industrial Farming: Implications for Human Health, with Peter Thorne
November 19, 2009 17:00 - 8 minutes - 6.16 MBIndustrial-scale farms known as concentrated animal feeding operations (CAFOs) have become an increasing focal point for environmental health research because of their emissions and concerns they may contribute to antibiotic resistance, adverse community impacts, and zoonotic disease outbreaks. They are also a source of political controversy in states including North Carolina and Missouri where government agencies are grappling with decisions about CAFO monitoring and permitting. In...
Breastfeeding: An Ancient Paradigm in Today’s World, with Lynn R. Goldman
October 15, 2009 16:00 - 9 minutes - 6.63 MBA number of recent studies have reported finding measurable levels of persistent organic pollutants in human milk, and many daily activities expose nursing women to toxic chemicals that can end up in their milk. Although many of these chemicals can cause adverse health effects in humans, studies consistently conclude that, overall, the benefits of breastfeeding outweigh the potential toxicity threats posed to nursing children. In this podcast, Lynn R. Goldman discusses why breastfee...
Who's Hit Hardest by Heat Waves? with Colleen Reid
September 17, 2009 16:00 - 6 minutes - 4.17 MBHeat waves kill more people in the United States each year than any other natural hazard, and many regions worldwide are experiencing more frequent and more severe heat waves. But not all people and not all places have the same vulnerability to heat-related health effects. Identifying those who are more vulnerable will be critical to effective public health interventions. In this podcast, Colleen Reid discusses an innovative method for mapping the sections of urban areas across the ...