The Downside of Weight Loss
A new study shows blood levels of substances known as persistent organic pollutants were higher in people who had lost weight compared with those who maintained or gained weight.

H1N1 Swine Flu No Worse Than Seasonal Flu
Study: In adults and children over age 6 months, the H1N1 swine flu was no more severe -- and posed no greater risk of serious disease -- than seasonal flu.