Learn about what happens if urine flows backward from the bladder. Usually found in children, this condition boosts the risk of urinary tract infections.
Disease
Viral gastroenteritis (stomach flu)
This condition, often called stomach flu, is usually harmless, except for infants and people with immunosuppression. Symptoms can usually be managed.
Disease
Wheat allergy
Learn about the causes, symptoms and treatment of wheat allergy and how they differ from those of celiac disease. Managing either condition means avoiding wheat.
Disease
Small vessel disease
Also called coronary microvascular disease, this type of heart disease can be hard to detect. Know the symptoms and how it's diagnosed and treated.
Disease
Diabetic hypoglycemia
Low blood sugar can make you feel awful, and it can be dangerous. Learn about symptoms and treatments for people with diabetes who have low blood sugar.
Disease
Pubic lice (crabs)
Tiny pests cause this itchy, but treatable condition. Find out how to spot and treat this common sexually transmitted infection (STI).
Disease
Body lice
These tiny bugs can live in your clothing and feed on your blood. Find out how to treat and prevent this itchy pest.
Disease
Cutaneous T-cell lymphoma
Learn about this type of non-Hodgkin lymphoma that attacks the skin. Find out about symptoms, diagnosis and treatments.
Disease
Scorpion sting
Scorpion stings are painful but rarely life-threatening. Young children and older adults are most at risk of serious complications.
Disease
Basal cell carcinoma
Learn about symptoms, treatment and prevention of this common skin cancer that often occurs on the head and neck.
Disease
Sarcoidosis
This treatable inflammatory condition causes growth of tiny granulomas in different parts of the body, including the lungs, eyes, skin and heart.
Disease
Pneumonia
Pneumonia — Learn about the symptoms, causes and treatment of this serious lung infection.