People with this syndrome have dark moles around the mouth, nose, and eyes, as well as multiple polyps in the intestines.

Detailed information on thoracic aortic aneurysms, including description of a thoracic aortic aneurysm, causes, symptoms, diagnosis, treatment, and full-color anatomical illustrations

Detailed information on the most common types of dentures.

Detailed information on breastfeeding and mastitis.

Nausea and vomiting are common in the first trimester, as is fatigue. Other common discomforts are hemorrhoids and heartburn.

Asthma is a chronic lung disease. The airways become sensitive to triggers (allergens and irritants). Here's what you need to know.

Amyotrophic lateral sclerosis is a fatal neurological disorder that causes progressive degeneration of nerve cells in the spinal cord and brain. It is often referred to as Lou Gehrig disease.

Families, spouses, or friends are often the first to suspect that their loved one is challenged by feelings, behaviors, or environmental conditions that cause them to act disruptive, rebellious, or sad.

Detailed information on biological therapy, also called immunotherapy, biological response modifier therapy, or biotherapy.

Detailed information on radiation therapy, one type of cancer treatment.