Studies suggest that environmental exposure to persistent organic pollutants (POPs) may be an emerging risk factor for ischemic heart disease, including acute myocardial infarction (AMI). However, some studies indicate that exposure to POPs may also be a risk factor for hypertension, a well-established risk factor for AMI. To investigate effect of POPs on the environmental burden of cardiovascu...

Social-emotionalandbehavioraldysfunctioncontributes substantially to adverse health outcomes such as obesity, asthma, and cardiovascular disease; poor quality of life; andexponentially increasinghealth care costs. Theseconditionsoftenhaveroots inchildhood,whenopportunities exist for primary and secondary prevention andearly intervention.However, theseopportunitiesare seldom realized for many re...

www.sciencemag.org SCIENCE VOL 332 20 MAY 2011 885 COVER Phase contrast photomicrograph of a Schizosaccharomyces octosporus ascus, a sac-like cell that typically contains eight spores (each ~2 micrometers across). S. octosporus and other fi ssion yeasts are important models of eukaryote biology and have evolved a single-celled lifestyle independently from their budding yeast cousins. On page 93...