Detailed information on Merkel cell cancer, including diagnosis and treatment.

Detailed information on skin cancer, including anatomy of the skin, skin cancer facts, skin cancer causes, skin cancer types, cutaneous t-cell lymphoma, actinic keratosis, skin cancer treatment, sun-damaged skin, skin cancer prevention, and sunscreen.

Detailed information on mental health and women, including information on managing stress, depression, and domestic violence

Detailed information on learning to manage your medicine, especially if you are taking several medicines and treating different conditions.

Detailed information on upper respiratory infections, upper respiratory infections symptoms, upper respiratory infections treatment

Detailed information on sleep problems overview

Here's a list of respiratory conditions, as well as information on treatment and prevention.

Primary pulmonary hypertension (PPH) is high blood pressure in the lungs. It's a rare lung disorder in which the blood vessels in the lungs narrow and the pressure in the pulmonary artery rises far above normal levels. Pulmonary hypertension is a chronic and life-changing disease that can lead to heart failure if it's not treated.

Pneumonia is an infection of one or both of the lungs caused by bacteria, viruses, fungi, or chemical irritants. It is a serious infection or inflammation in which the air sacs fill with pus and other liquid.

Pharyngitis and tonsillitis are infections that cause inflammation. If the tonsils are mainly affected, it is called tonsillitis. If the throat is mainly affected, it is called pharyngitis. These infections are spread by close contact with others. Here's what you need to know.