Syphilis is a highly contagious disease spread primarily by sexual activity. Learn more about syphilis from the experts at WebMD.
Learn about hepatitis B, including causes, symptoms, diagnosis, treatment, and prevention.
Sexual Problems in Men
A look at sexual problems in men, including erectile dysfunction and ejaculation disorders.
HIV Diagnosis and Treatment Explained
WebMD's guide to the diagnosis and treatment of AIDS/HIV.
Discussing Erectile Dysfunction With Your Doctor
WebMD explains the importance of seeing your doctor if you suspect you have erectile dysfunction (ED), what to discuss, and how your doctor can help.
Diabetes & Erectile Dysfunction
WebMD explains erections and the many ways that diabetes can cause erectile dysfunction.
AIDS Wasting Syndrome
AIDS wasting syndrome occurs when you have AIDS and lose at least 10% of your body weight -- especially muscle.
Atherosclerosis and Erectile Dysfunction
The link between atherosclerosis - the hardening of the body's arteries -- and erectile dysfunction is well known to doctors. If you have ED, understanding the connection might just save your life. WebMD explains.
Genital Herpes and HIV
Genital herpes can increase the risk of being infected with HIV, the virus that causes AIDS, or cause problems for people already living with HIV. WebMD explains.
What to Ask Your Doctor About Genital Herpes
WebMD provides a list of important questions to ask your doctor about genital herpes if you have just been diagnosed, are living with outbreaks, or just learned your partner has the virus.