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A genetic survey of 50,000 people has revealed the first gene linked to migraine headaches--and potential for more targeted treatment. A variant of the newly identified gene causes a brain chemical to build up between nerve endings, triggering a migraine's painful symptoms.
PICK A BETTER BERRY
Sure, they're easier on the environment, but are organic strawberries--free of pesticides and synthetic growth promoters--actually more nutritious? Yes, at least according to a new study that compared conventionally grown and organic strawberries. The organic fruit not only contained more antioxidants and other compounds beneficial to health; in a blind test, it tasted better too.
Percentage of first-time mothers delivering by cesarean section in the U.S. from 2002 to 2008
Percentage increase in emergency-room visits for sports-related concussions among 8-to-13-year-olds from 1997 to 2007
Sources: Amer. Journal of Med.; Amer. Journal of Ob. & Gyn.; Cancer Epidemiology, Biomarkers & Prevention; Nature Genetics; Neurology; NEJM; PLOS ONE; Pediatrics