This group of rare diseases involves the hardening and tightening of the skin and connective tissues. Some forms can affect internal organs.
Disease
Rheumatoid arthritis
This ongoing condition can affect more than just the joints. It also can damage skin, eyes, lungs, heart and blood vessels.
Disease
Thoracic outlet syndrome
This group of conditions is caused by pressure on the blood vessels or nerves between the collarbone and rib. The pressure can cause pain and numbness.
Disease
Ulnar wrist pain
Ulnar wrist pain occurs on the side of your wrist opposite your thumb. The pain can become severe enough to prevent you from doing simple tasks.
Disease
Golfer's elbow
Golfers, tennis players and others who repeatedly use their wrists or clench their fingers can develop this painful condition.
Disease
Hamstring injury
Self-care measures, such as rest and ice, might be all that's needed for an injury to one of the hamstring muscles.
Disease
Muscular dystrophy
Find out about the various types of this condition, which affects muscles over time. Then learn about treatments to help with the symptoms.
Disease
Acute coronary syndrome
This is a range of conditions that cause sudden low blood flow to the heart. An example is a heart attack. Know the symptoms, causes and treatment.
Disease
Cardiomyopathy
This disease of the heart muscle makes it harder for the heart to pump blood to the rest of the body. Learn the different types and how they're treated.
Disease
Heart failure
Learn about this chronic disease that needs lifelong management. Find out what treatments help you live longer and may even strengthen your heart.
Disease
Croup
This upper airway infection makes it harder to breathe and causes a barking cough. It involves swelling around the voice box, windpipe and bronchial tubes.
Disease
Rotavirus
Learn more about this common childhood illness that causes fever, vomiting, diarrhea and sometimes abdominal pain.