Condoms

Planned Parenthood
Condoms are sheaths of thin latex or plastic worn on the penis during intercourse. They reduce the risk of sexually transmitted infection. They are also effective over-the-counter, barrier methods of reversible birth control.

NetDoctor.Com
Wearing them greatly reduces the chances of pregnancy. They also provide considerable protection against sexually-transmitted infections (STIs), including HIV. But this protection is far from 100 percent.

Hair Loss

Men's Health
Got a question about hair loss? Here's everything we've got on the subject.

Chicago Sun-Times
Hair loss and baldness are more treatable than ever. Familiarize yourself with today? Treatment options for alopecia, male pattern baldness, and thinning hair.

Hormones

Medline Plus
A goldmine of good health information from the world's largest medical library, the National Library of Medicine. Health professionals and consumers alike can depend on it for information that is authoritative and up to date.

The All I Need
Tips On Keeping Hormones Balanced As Men Age. Articles and topics on a wide range of men's health.

Impotence

Impotence.Org
This website offers a free medical discussion service where the consumer can obtain accurate, unbiased information in a confidential, understanding and thoughtful manner.

National Kidney and Urologic Diseases Information Clearinghouse
Describes the physiology of erection and the causes, diagnosis, and treatment of erectile dysfunction. Includes illustrations.

Jock Itch

Family Doctor
Information about tinea infections from the American Academy of Family Physicians.

E-Medicine
Jock itch is an itchy rash of the groin that results from a superficial fungal infection of your skin. Men and women encounter the disease worldwide, although it is seen more often in the humid tropics.

Prostate Problems

MedInfo
Medinfo's patient information on prostate problems. As men get older, they are more likely to experience problems relating to the prostate gland, the gland at the outflow of the bladder.

Watch Tower
What can a man do to prevent prostate diseases? When should he seek medical advice?

Testicular Cancer

Uro.Com
Detailly explains the testicular cancer, how testicular cancer is diagnosed, and how testicular cancer is treated.

Urology Channel
Although it accounts for only 1 percent of cancers in men, testicular cancer is the most common cancer in men between the ages of 20 and 34. If the cancer is detected early, there is about 100% cure rate.