In this group of inherited disorders, the body makes little or no melanin, a pigment that determines hair, skin and eye color and vision development.
Disease
Rubella
Learn more about the symptoms and prevention of this viral infection that easily passes to others.
Disease
Tachycardia
Learn more about the symptoms and treatment of this heart rhythm disorder, which causes a rapid heart rate.
Disease
Tooth abscess
A bacterial infection at the tip of the tooth root usually occurs from an untreated dental cavity, an injury or prior dental work.
Disease
Creutzfeldt-Jakob disease
Learn what can put someone at risk of developing this rare brain disorder that causes dementia.
Disease
Multiple sclerosis
This nervous system condition causes a range of symptoms. While there's no cure, it's possible to have long periods of remission.
Disease
Hypoglycemia
Low blood sugar can cause uncomfortable symptoms, such as dizziness and confusion, and can quickly become serious if left untreated.
Disease
Keratitis
An inflamed, red eye can be a minor nuisance — but sometimes it means a more serious problem. Find out about symptoms, treatment and prevention for this potentially dangerous eye condition.
Disease
Lymphedema
Damaged or removed lymph nodes can affect how lymph fluid drains. Fluid buildup leads to swelling. Treatments include compression and massage.
Disease
Paraneoplastic syndromes of the nervous system
This group of conditions affects people who have cancer and occurs when parts of the immune system attack parts of the nervous system.
Disease
Multiple system atrophy
This rare condition affects movement, blood pressure and other functions of the body.
Disease
Heatstroke
Know the signs and what to do for this dangerous increase in body temperature.