Learn about this condition that causes uncontrollable shaking and find out how it differs from Parkinson's disease.
Disease
Immune thrombocytopenia (ITP)
Caused by low levels of platelets, symptoms may include purple bruises called purpura, as well as tiny reddish-purple dots that look like a rash.
Disease
Amyotrophic lateral sclerosis (ALS)
This nervous system disease, also known as Lou Gehrig's disease, destroys nerve cells and gets worse over time.
Disease
Peripheral T-cell lymphoma
Learn about this type of non-Hodgkin lymphoma that affects the lymph nodes and can spread to the organs. Find out about symptoms, diagnosis and treatments.
Disease
Radiation sickness
Read about what happens when someone is exposed to high doses of radiation, and what you can do to prevent such exposure in an emergency.
Disease
Multiple endocrine neoplasia, type 2 (MEN 2)
Learn about this rare condition that causes tumors and overproduction of hormones.
Disease
Brain tumor
Find out more about the different types, signs, symptoms and causes of brain tumors, which are growths of cells in the brain.
Disease
C. difficile infection
Learn more about this diarrhea-causing infection that often occurs after antibiotic use. Many, but not all, people who get it are in health care facilities.
Disease
Ulcerative colitis
This type of inflammatory bowel disease causes swelling and sores in the digestive tract. Learn more about symptoms, treatment and managing flares.
Disease
Febrile seizure
These frightening but generally harmless seizures are triggered by a fever and affect infants and young children.
Disease
Lynch syndrome
Learn about this condition that passes from parents to children, raising the risk of colon cancer, endometrial cancer and other kinds of cancer.
Disease
Peanut allergy
Peanut allergy can be serious. Find out what you need to know to prevent a life-threatening reaction and get the latest on treatment approaches.