National Institute of Health provides information on men's health issues.
http://www.nlm.nih.gov/medlineplus/menshealthissues.html

A non-profit educational organization interested in improving the health and well-being of men, boys and families.
http://www.menshealthnetwork.org/

Heightening the awareness of preventable health problems and encourage early detection and treatment of disease among men and boys.
http://www.menshealthweek.org/