Rare diseases - a medical condition so obscure that even your doctor has to Google. Despite their name, these diseases ...

For better focus, less jitteriness and improved gut health, try green tea -- a lower-caffeine alternative to coffee.

The actor’s wife likely died one week before him. He may have unknowingly lived with her body until his own death due to his advanced Alzheimer’s disease.

Measles is caused by a highly contagious virus that’s airborne and spreads easily when an infected person breathes, sneezes ...

Vitamin D (aka calciferol) is a fat-soluble vitamin that’s naturally present in some foods. “Vitamin D plays an important ...

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A new study finds that loneliness may increase certain proteins in the brain that increase your risk for disease and death.

As production of the state’s signature crop has declined in recent years, many citrus farmers have sold their land rather ...

Older adults may lack protection from measles. Here's the scoop on your risk, how to test immunity and where to find ...

RFK Jr. has claimed measles can be treated with vitamin A and that severe infection is linked to poor diet. But many experts who spoke with ABC News disagreed.

A bout of measles sends the immune system into shock, demolishing critical cells that help our bodies respond to threats.

The Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) 2021 on oral conditions represents a landmark moment for the community.1 For the first time, a comprehensive analysis of the ...