Oysters are a good source of zinc. Not getting enough zinc through food is linked to immune dysfunction and infection. Find ...

Retinyl palmitate is a synthetic form of vitamin A commonly found in cosmetics marketed as reducing the signs of aging. Find ...

The first step to contact dermatitis treatment is to pinpoint the trigger. Learn when steroid creams help and could make ...

The DEA issued a warning on a new party drug mix called pink cocaine, which has been linked to Liam Payne's death.

Supplements for muscle growth (often called "ergogenic aids") may be used to help you "bulk up," improve athletic performance ...

Dietitians take certain supplements to support their own immune health during cold and flu season. Here are eight pills that ...

Skin pH is historically measured using electrodes. Learn how assessing skin symptoms and knowing your skin type provide clues ...

Travelers' diarrhea is typically moderately to severely urgent. Learn about nonprescription medicines, antibiotics, and ...

There are several reasons infection may increase dementia risk. Severe infections may lead to prolonged hospitalizations, ...

Peeing more than usual and feeling more thirsty are symptoms of too much vitamin D. Learn why overdosing on vitamin D is preventable.

Fever can be a symptom of pneumonia, but it is possible to have pneumonia with no fever. Learn more about how it’s diagnosed.

Smell training can improve memory and may stimulate areas in the brain linked to cognition. Your sense of smell is closely ...