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Environmental Factor, January 2013

This month in EHP

January EHP cover image

Environmental Health Perspectives (EHP) (http://ehp.niehs.nih.gov/) goes paperless in January with its first entirely electronic issue featuring a cover article on cooler-by-design architecture and engineering.

Alternatives to Air Conditioning for a Warm World

The developing world is home to most of the globe’s hottest and fastest-growing cities as well as a rapidly expanding middle class that can now afford the amenities that citizens in the developed world have long taken for granted. High on that list is the air conditioner. Although air-conditioning use will certainly continue to increase globally with no serious regulatory frameworks in sight, some observers believe awareness of its environmental impact is beginning to change the ways in which architects and engineers, at least, are approaching the challenge of keeping people cool.

Beyond Uncertainty Factors: Protecting the Tails of the Bell Curve

For decades, environmental risk assessors have tried to address interindividual variation by setting exposure limits low enough to protect the most sensitive subgroups in the population. Now they are looking for more targeted ways to address the underlying factors that govern individual susceptibility.

Podcast: The Secret Life of Fat Tissue, with Michele La Merrill

Your 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, immunity, and vascular function — to name a few. It also protects against toxic effects of persistent organic pollutants, or POPs. In this podcast (http://ehp.niehs.nih.gov/category/podcasts/), Michele La Merrill, Ph.D., talks with host Ashley Ahearn about the diverse ways that fat interacts with these chemicals as both a modulator and a target of POP toxicity.

Featured commentaries, reviews, and research this month include:

  • Genetic Modification of the Association Between Peripubertal Dioxin Exposure and Pubertal Onset in a Cohort of Russian Boys
  • Possible Positive Selection for an Arsenic-Protective Haplotype in Humans
  • Coplanar Polychlorinated Biphenyls Impair Glucose Homeostasis in Lean C57BL/6 Mice and Mitigate Beneficial Effects of Weight Loss on Glucose Homeostasis in Obese Mice
  • Climate Change and Older Americans: State of the Science



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January 2013 Cover Page

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