Genital Problems in Men - Self-care flowchart for problems with the genital area, from familydoctor.org.
HealthLink - Conditions Men Get, Too - Discusses osteoporosis, breast cancer, and eating disorders as conditions that occur in men, although they are typically thought of as "women's diseases."
Varicoceles.com - Discussing non-surgical treatment of varicoceles, a leading cause of male infertility which also may cause pain and atrophy of the testicles.
Wellman Clinic - London clinic for men, with an exclusive practice in prevention and treatment (including testosterone replacement therapy) of male disorders including impotence, prostate cancer, overweight and erectile dysfunction.