Tween and teen health
Learning Center
Polymyalgia rheumatica
Older adults who suddenly develop muscle pain and stiffness, especially in the shoulders, might have polymyalgia rheumatica.
Stye (sty)
A stye (sty) is a painful red bump along the eyelash line that can often be treated with home remedies. Find out more about this irritating eyelid infection.
Valley fever
Learn about symptoms and treatment for valley fever — an infection caused by fungi found in the soil of America's desert regions.
Vascular dementia
Learn more about this stroke-related type of dementia that causes memory loss and reasoning problems. Prevention is possible, and good heart health is key.
Video: Migraine aura
A migraine aura is usually visual, but can also be a sensory, motor or verbal disturbance. This animation shows what happens when you have a migraine aura.
Alzheimer's disease: Can exercise prevent memory loss?
Regular exercise may help in preventing Alzheimer's disease and improving cognitive function.
Infectious diseases
Viruses, bacteria, fungi and parasites can all cause infection. Find out more about how to prevent and treat these conditions.
Malaria
Learn about the symptoms, causes, treatment, and prevention of this infectious disease transmitted to humans through mosquito bites.
Blocked tear duct
Watery, irritated eyes may occur when your tears can't drain normally. Learn about this common eye condition that affects newborns and sometimes, adults.
Ramsay Hunt syndrome
A shingles outbreak can affect the facial nerve near one of your ears, potentially causing facial paralysis and hearing loss.
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