BY the age of about 25 years, the body systems have fully developed and the body should be at its peak. At this age young adults have total control over their health and their future – if they take that control and establish healthy lifestyle practices, they will have gone a long way to ensuring a long and healthy life.
The major health problems in the twenties tend to be a continuation of those started in late adolescence; mental problems are the major illness in young men and women.