Centers for Disease Control
Number of HIV diagnoses among younger gay men increased from 2002 to 2011.
About 66 percent of Americans are considered overweight or obese by modern health standards, but the majority (55 percent) do not believe they are overweight and say they are not trying to drop the pounds, according to a recent Gallup poll.
Public health investigators say they used Facebook and other social media to find people potentially exposed to the rabies virus after a Maryland man died from the disease last year in a rare case of transmission through a transplanted organ.
The government’s estimate of autism has moved up again to 1 in 68 U.S. children, a 30 percent increase in two years.
A long-awaited study by the U.S. Centers for Disease Control and Prevention confirms a link between tainted tap water at a U.S. Marine Corps base in North Carolina and increased risk of serious birth defects and childhood cancers.
Some parents are scratching their heads over less restrictive head lice policies that allow children with live bugs in their hair to return to the classroom.
Small cigars flavored to taste like candy or fruit are popular among teens, according to the first government study to gauge their use.
Children — like adults — are increasingly trying electronic cigarettes, according to the first large national study to gauge use by middle and high school students.
Health officials say Lyme disease is about 10 times more common than previously reported.
The Centers for Disease Control and Prevention says at least 23 people have been urged to get rabies shots following the disclosure that four patients received organs from an infected donor.