Lung cancer is the third most common cancer in the United States. Each year, about 225,000 people in the country are diagnosed. Doctors classify lung cancer into types depending on the way cancer ...

Identify different headache types, including migraine, cluster headache, and tension-type headache. Learn about common symptoms, causes, and when a headache requires emergency medical care.

Bodies come in different shapes and sizes, influenced by a person’s frame and composition. Different body types include triangle, rectangle, hourglass, ectomorph, mesomorph, and endomorph. Different ...

People love taking personality tests, but are personality types real? Maybe, and maybe not. Personality development is complicated, and most healthy personality types are not so easily defined. Your ...