Healthy retirement
Learning Center
Systemic mastocytosis
Excess mast cells can build up in skin, bone and organs. When triggered, the cells release substances that can cause allergic reactions and organ damage.
Jaw tumors and cysts
Also called odontogenic tumors and cysts, these typically benign lesions develop in the jawbone or the soft tissues in the mouth. They vary in severity.
Calciphylaxis
Learn more about this uncommon condition that affects small blood vessels and skin tissues, causing painful skin ulcers.
Egg allergy
Egg allergy can cause a serious reaction in children and adults. Here's how to recognize egg allergy symptoms, and what to do if a severe reaction occurs.
Enlarged liver
Having a larger than normal liver is a sign of a serious problem, such as liver disease, congestive heart failure or cancer.
Exercise headaches
Learn about the causes and treatments of this puzzling disorder.
Exercise-induced asthma
Regular exercise is beneficial in many ways, but for some people, exercise can trigger breathing problems. Medicine can help.
Familial Mediterranean fever
This genetic autoinflammatory disorder causes recurrent fevers and painful inflammation. Treatment can prevent attacks and complications.
Gas and gas pains
Learn about what is normal digestive system gas, what contributes to gas, and what you can do to lessen gas or gas pains.
Giardia infection (giardiasis)
Stomach cramps, nausea and watery diarrhea could indicate a giardia infection. Find out how to treat and prevent this waterborne parasite.
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