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Skin

Skin is the largest organ. It helps control your body temperature and prevent infection. Discover its layers, functions, and how to keep it healthy.

Cataracts

Cataracts are a clouding of the lens of your eye. They are a leading cause of blindness, especially in older people. Learn more about cataracts.

Summer skin rashes

Summer rashes can be caused by things like sunlight, insects, sweating and overheating - especially if you have allergies or other pre-existing skin conditions.

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