A migraine is a headache that can cause severe throbbing pain or a pulsing sensation, usually on one side of the head. It's often...

Hair loss (alopecia) can affect just your scalp or your entire body, and it can be temporary or permanent. It can be the result of...

Hodgkin's lymphoma is a type of cancer that affects the lymphatic system, which is part of the body's germ-fighting immune system. In...

Coronaviruses are a family of viruses that can cause illnesses such as the common cold, severe acute respiratory syndrome (SARS) and...

Anemia is a condition in which you lack enough healthy red blood cells to carry adequate oxygen to your body's tissues. Having anemia,...