Sexually transmitted infections (STIs) Archive

Excessive sweating is often harmless, but it can also signal an underlying health condition or medication side effect. Men typically sweat far more than women do because of much higher testosterone levels, larger body size, and higher muscle mass.

Erectile changes can arise for many reasons over time, including shifts in health, lifestyle, aging, or other medicines being taken.

Celiac disease affects everyone differently. While some people develop digestive symptoms, such as bloating and diarrhea, many adults also experience non-digestive symptoms, such as anemia or osteoporosis. Others have no noticeable symptoms despite intestinal damage.

Mononucleosis can affect more than energy levels. Activity choices matter during illness, especially when the spleen may be enlarged.

Osteoporosis in men can have several contributing factors, from hormones and medications to underlying conditions that affect bone health.

Fibroids may change over time, even when they cause no symptoms. Find out what doctors know about their growth, symptoms and long-term outlook.

Men without evidence of low testosterone levels (hypogonadism) who use testosterone appear to face a higher risk of serious cardiovascular problems and death from all causes than men who use testosterone replacement therapy for documented hypogonadism, according to a 2026 study.

Scarlet fever can bring a telltale rash, fever, and sore throat. Explore how it spreads, how it’s treated, and what recovery may involve.

Learn what an unexpected shift in white blood cells may mean and when it deserves a closer look with your doctor.