This common sexually transmitted infection is caused by a parasite. Lower your risk by using condoms when you have sex.
Disease
Autism spectrum disorder
This condition related to brain development causes problems in getting along with others socially and communicating. Symptoms and severity can vary widely.
Disease
Panic attacks and panic disorder
Learn about effective treatment for sudden episodes of intense fear that trigger severe physical reactions when there is no real danger or apparent cause.
Disease
Postpartum depression
Learn the risk factors and symptoms of depression in new mothers, as well as effective treatment that can help you manage symptoms and bond with your baby.
Disease
Prescription drug abuse
Using a prescription medicine in a way not intended by the prescriber can lead to drug abuse. Learn about risk factors and treatment for drug misuse.
Disease
Nightmare disorder
These upsetting or scary dreams wake you up, keep you from getting enough sleep and make it hard to function well during the day.
Disease
Ganglion cyst
These fluid-filled, noncancerous lumps most often appear on wrists, hands or feet.
Disease
Bunions
This bony bump forms on the joint at the base of the big toe. Learn more about the causes and treatments of this condition, which sometimes can be painful.
Disease
Patellar tendinitis
This common knee injury affects the tendon that stretches from the kneecap to the shinbone.
Disease
Sprains
A sprain is a stretching or tearing of ligaments — the tough bands of tissue that connect two bones together in your joints. Ice and elevation can help.
Disease
NF2-related schwannomatosis (neurofibromatosis type 2)
NF2 is a rare condition that causes benign nerve tumors that can affect hearing, balance and other symptoms. Learn about symptoms, diagnosis and current treatments.
Disease
Pinworm infection
Learn more about the symptoms, treatment and prevention of this common intestinal worm infection.