Learn more about the causes, symptoms, treatment and prevention of this common lip sore caused by the herpes simplex virus type 1 (HSV-1).
Disease
Melanoma
Learn about the symptoms, diagnosis and treatments for the most serious form of skin cancer.
Disease
Tapeworm infection
Tapeworms in the intestines usually cause mild disease. Immature tapeworms, called larval cysts, can cause serious disease in other parts of the body.
Disease
Plantar fasciitis
Learn about this most common cause of stabbing heel pain.
Disease
Osteoarthritis
This most common form of arthritis mainly affects joints in your hands, knees, hips and spine. There's no cure, but symptoms can be managed.
Disease
Kaposi sarcoma
This cancer caused by a virus occurs in people who have AIDS and those with a donated organ who take medicines to prevent organ rejection.
Disease
Avascular necrosis (osteonecrosis)
A broken bone or dislocated joint can block blood flow to the bone, causing bone tissue to die.
Disease
Hip fracture
The risk of breaking a hip increases with age. Learn about lifestyle changes that can keep bones strong and reduce risk of breaking.
Disease
Legg-Calve-Perthes disease
This childhood condition occurs when blood supply to the ball part of the hip joint is interrupted for a short time, making the bone fracture easily and heal poorly.
Disease
Frontal lobe seizures
In this common form of epilepsy, the seizures stem from the front of the brain. They can produce symptoms that appear to be from a mental illness.
Disease
Double uterus
Learn about symptoms, diagnosis and treatment of this uncommon condition of the uterus. It is present at birth.
Disease
Wilms tumor
Progress in the diagnosis and treatment of this kidney cancer have greatly improved the outlook for children with the condition.