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)
Pubic lice (crabs) are an itchy, but treatable, nuisance. 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
Wrinkles
These lines in the skin are a natural part of aging that's also affected by sun exposure and smoking. Learn about prevention tips and treatment options.
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.
Disease
Retinoblastoma
Learn about the symptoms, causes and treatments for this eye cancer that occurs in young children.
Disease
Blocked tear duct
Watery, irritated eyes may happen when your tears can't drain. Learn about this common eye condition that affects newborns and, sometimes, adults.
Disease
Malignant hyperthermia
This rare genetic disorder triggers a severe reaction to certain anesthesia drugs, causing rigid muscles, high fever, fast heart rate and rapid breathing.