As new research spotlights the obesity-cancer connection, experts warn we’ve underestimated just how much excess weight – and the complex biology behind it – can fuel the disease.

Experts see tolebrutinib as part of a broader shift toward treatments that target the neurodegeneration in MS, not just its ...

Understand the basics of lymphoma, the differences between Hodgkin and non-Hodgkin lymphoma, and why some people may be more susceptible to this type of cancer.

Depression is common in older adults, but it isn't normal. WebMD explains the signs of depression in your aging loved one and different treatment options.

Excessive thirst and a dry mouth are telltale signs of high blood sugar. Learn more about diabetic thirst (polydipsia). Causes, symptoms, & what you can do.

WebMD explains bipolar II disorder – also known as manic depression. Plus, symptoms, treatments, and how bipolar II is different from other types of bipolar disorder.

Hoping to make your hair grow faster? Learn about hair-care tips, treatments, and tricks to nurture your hair and foster growth.

See nerve pain symptoms, causes, and treatment options. WebMD shows you tips for dealing with the tingling and numbness that may be caused by neuropathy.

Hysteroscopy: If you’re having certain symptoms, like a heavy menstrual period, a hysteroscopy may help your doctor diagnose or treat your problem. Learn what the procedure is and what to expect.

Capsicum is the genus to which all chili peppers and bell peppers belong. Learn more about capsaicin and some of its remarkable health benefits and nutritional value.

A piece of fruit can be a good way to satisfy your sweet tooth, but they’re not all created equal. WebMD shows you which fruits have the most -- and least -- sugar.

Canker sores are small, shallow wounds in your mouth that can make eating & talking uncomfortable. Learn more about causes, symptoms, diagnosis, treatment, remedies, & prevention.