The field of men's health is concerned with health issues and aging changes peculiar to post-pubescent males. Growth in adolescent boys (puberty to 19) occurs in spurts, usually over 4-5 years, with the first growth spurt occurring between ages 10 and 14. Puberty is accompanied by an increase in height; the appearance of body hair; an enlargement of the testicles, penis, and scrotum; growth of the larynx, or voice box; and development of sweat glands.

The visible changes of puberty may occur at very different ages in different adolescent males. Boys who mature much earlier or much later than their peers may encounter serious social problems. These boys may be reassured if a doctor assures them that they are normal adolescents, and will become normal adult men.

Health problems potentially affecting adolescent males include the abuse of (tobacco, (alcohol and illicit drugs; overexposure to the sun; unhealthy eating habits...