In this condition, a tangle of blood vessels affects the flow of blood and oxygen. Treatment can help.
Disease
Amyloidosis
This rare disease caused by a buildup of the protein amyloid can affect different organs in different people. Find out how early and accurate diagnosis can lead to better outcomes.
Disease
Myasthenia gravis
A breakdown in the communication between nerves and muscles causes weakness and fatigue of muscles under your control.
Disease
Ehrlichiosis and anaplasmosis
Learn how to prevent and treat these two tick-borne illnesses.
This complicated condition may be triggered by an infection. While there's no cure for ME/CFS, treatment focuses on easing symptoms.
Disease
Food poisoning (foodborne illness)
Learn more about illnesses that can cause upset stomach, vomiting and diarrhea within hours of eating tainted food.
Disease
Histoplasmosis
Learn more about the symptoms and treatment of this sometimes life-threatening disease caused by fungal spores in bird and bat droppings.
Disease
Dry eyes
Eyes feeling dry and uncomfortable? Inadequate tear production is a common - and very treatable - eye condition. Find out what causes it and how to relieve symptoms.
Disease
Nonallergic rhinitis
Many things can trigger this condition. Learn how to get relief from your runny, stuffy nose.
Disease
Swollen lymph nodes
Infection from bacteria or viruses most often causes this condition.
Disease
Aphasia
Some conditions, including stroke or head injury, can seriously affect a person's ability to communicate. Learn about this communication disorder and its care.
Disease
Cholera
This dangerous but treatable disease causes diarrhea and dehydration. Learn how to lower your risk.