An overheated body can lead to dangerous symptoms. Get tips to prevent heat exhaustion and how to cool down quickly when it happens.
Disease
Hepatic encephalopathy
This serious liver condition can harm your brain and lead to coma or death. Find out how to treat this liver condition, including with a liver transplant.
Disease
Intermittent explosive disorder
This mental health condition involves sudden bouts of impulsive, aggressive, violent behavior or verbal outbursts that cause major distress in life.
Disease
Lazy eye (amblyopia)
Abnormal visual development early in life can cause reduced vision in one eye, which often wanders inward or outward.
Disease
Mammary duct ectasia
Mammary duct ectasia is a noncancerous breast condition that affects the milk ducts. Learn the signs and symptoms and when treatment might be needed.
Disease
Multiple endocrine neoplasia, type 1 (MEN 1)
Learn about this rare condition that causes tumors to grow and too many hormones to be made.
Disease
Multiple endocrine neoplasia, type 2 (MEN 2)
Learn about this rare disorder that causes tumors and overproduction of hormones.
This complicated disorder may be triggered by an infection. While there's no cure for chronic fatigue syndrome, treatment focuses on easing symptoms.
Disease
Pectus excavatum
This condition causes the breastbone to sink into the chest. Learn how it can affect health and what the treatments for it are.
Disease
Pericardial effusion
Learn the symptoms, causes and treatment of excess fluid around the heart.
Disease
Pink eye (conjunctivitis)
This highly contagious eye condition can be itchy and uncomfortable. But much like the common cold, it rarely requires medicine or staying home.
Disease
Polymorphous light eruption
Learn more about the symptoms and treatments for this sun-induced skin rash that usually appears in spring or summer, and also after using tanning beds.