These uncontrollable jerking motions, which include normal hiccups and "sleep starts," can be disabling when caused by an underlying health condition.
Disease
Bursitis
Ice can ease symptoms of this painful condition. It affects the small, fluid-filled sacs that cushion the bones, tendons and muscles near the joints.
Disease
Spinal cord injury
Learn what may happen after the spinal cord has been damaged.
Disease
Cataracts
Are things starting to look fuzzy or blurry? Find out about symptoms, diagnosis and treatment for this common eye condition.
Disease
Neuroendocrine tumors
Learn about the types of tumors that make up this group of rare cancers. Find out about symptoms, causes, diagnosis and treatments.
Disease
Ampullary cancer
Learn more about the causes, diagnosis and treatments for cancer of the ampulla of Vater.
Disease
Appendix cancer
Learn about this rare cancer that affects the appendix, which is a small pouch attached to the large intestine.
Disease
Bird flu (avian influenza)
Flu viruses in other animals, such as birds, may be a risk to people. Learn more about the symptoms, causes, prevention and treatment for bird flu in people.
Disease
Small lymphocytic lymphoma
Find out more about the symptoms, diagnosis and treatment of this type of non-Hodgkin lymphoma.
Disease
Hypertrophic cardiomyopathy
In this condition, the heart muscle thickens, which makes it harder for the heart to pump blood. Learn about the causes and treatment.
Disease
Tricuspid valve disease
This condition affects the valve between the two right heart chambers. It changes how blood flows through the heart. Learn the symptoms and treatment.
Disease
High cholesterol
The body needs some cholesterol to build healthy cells. But high cholesterol can raise the risk of heart disease. Lifestyle changes can help.