Axiron, a gel that rolls on like deodorant, is one drug used by men struggling with symptoms of aging. It is one of a growing number of prescription gels, patches and injections aimed at boosting levels of the male hormone that begins to decline after about age 40. (Associated Press)

Axiron, a gel that rolls on like deodorant, is one drug used by men struggling with symptoms of aging. It is one of a growing number of prescription gels, patches and injections aimed at boosting levels of the male hormone that begins to decline after about age 40. (Associated Press)