The active ingredient in peppermint is menthol. Some small studies show it can lessen the pain of migraine headaches. It may also reduce other symptoms like light sensitivity, nausea, and vomiting. A ...

Arteries are blood vessels that carry blood rich in oxygen throughout your body. They go to your brain as well as to the tips of your toes. Healthy arteries have smooth inner walls and blood flows ...

Fatigue is a common effect of low testosterone. You might feel like you just don't have the energy that you're used to. Or you might be incredibly tired. But many other things can sap your energy, too ...

Lyme disease is an infection that is transmitted through the bite of a tick infected with a bacterium called Borrelia burgdorferi. Ticks typically get the bacterium by biting infected animals, like ...

Lymphoma is a type of cancer that begins in infection-fighting cells of the immune system, called lymphocytes. These cells are in the lymph nodes, spleen, thymus, bone marrow, and other parts of the ...

Brush teeth and gums at least twice a day. If you can, brush 30 minutes to 1 hour after every meal. Brushing removes plaque, a film of bacteria that clings to teeth. When bacteria in plaque come into ...

When you scrape your knee, break a bone, or cut yourself, the body is able to heal itself. But that’s not the case with certain conditions, like diabetes or heart disease. Regenerative medicine, a ...

Heart disease isn't just one thing. It's a number of conditions that can affect how your heart works. Heart disease can also be called cardiovascular disease, though that term covers blood vessels ...

Chemotherapy -- a treatment for cancer that uses strong drugs -- can lead to what’s sometimes called “chemo brain.” You may have trouble remembering details like names or dates, have a hard time multi ...

It goes by many names: indigestion, heartburn, acid reflux, GERD. Whatever you call it, it happens when stomach juices flow in the wrong direction, back toward your throat. Find out from this WebMD ...

Shoulder pain is any type of pain or discomfort you feel in your shoulder. Your shoulder is called a ball-and-socket joint. It can move in many directions and it’s considered to be the most movable ...

Nattokinase is a natural enzyme in natto, a Japanese soy-based food. The enzyme is produced during natto’s fermentation process by a specific bacterium called Bacillus subtilis. High natto consumption ...