The U.S. Post Office issues a new collection of stamps promoting awareness of childhood health and safety issues including Regular medical checkups, a balanced diet and exercise.

The Child Health commemorative stamp will be issued September 7 in Philadelphia and then branch out nationwide

According to investigators, prostate cancer developed in 20 men within months to a few years after they began testosterone supplementation to correct a deficiency of the hormone.

"There are several anecdotal case reports, small studies, and observational studies like ours which raise concern but do not provide conclusive evidence yet," Dr. Franklin D. Gaylis told Reuters Health

According to investigators, prostate cancer developed in 20 men within months to a few years after they began testosterone supplementation to correct a deficiency of the hormone.

"There are several anecdotal case reports, small studies, and observational studies like ours which raise concern but do not provide conclusive evidence yet," Dr. Franklin D. Gaylis told Reuters Health

According to investigators, prostate cancer developed in 20 men within months to a few years after they began testosterone supplementation to correct a deficiency of the hormone.

"There are several anecdotal case reports, small studies, and observational studies like ours which raise concern but do not provide conclusive evidence yet," Dr. Franklin D. Gaylis told Reuters Health

A new study shows that overweight girls reach puberty earlier. However early puberty alone doesn't necessarily lead to pudginess as an adult.

Girls who are overweight before their first menstrual periods are almost eight times more likely to be overweight as women, the study finds. But there is no link between precocious puberty alone and being overweight later in life, The Associated Press reports