At six months old, when he should be learning to roll over and babbling his first sounds, Wong Jia Wei is instead fighting for his life with every beat of his failing heart.

Opening windows clears germs and stale air –but timing matters. You don’t want to swap indoor pollution for outdoor exhaust.

The definition is tricky, but the effects of poor metabolic health are clear — and can wreak havoc on the body.

A heart murmur can sound scary—literally. A Keck Medicine of USC cardiologist explains why it might not be as scary as you ...

Sudden or severe cold temperature can cause trees to experience "frost crack." NPR's Scott Simon talks with Bill McNee of the ...

As the U.S. prepares to take on another bout of cold weather, the term "polar vortex" is getting thrown around. But what is it?

Plus, what to know about unmasking.

A quick house burping freshens my home’s air and lowers the risk of mold, and it only takes five minutes.

Strep throat is a common throat infection that often causes a sore throat, fever and trouble swallowing. It tends to come on ...

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Misinformation around menopause is still frustratingly common—among both doctors and patients. We asked experts why you ...

In the last few weeks, an unfamiliar German term may have surfaced on your social media feeds. “Lüften” roughly translates to “ventilate” or “airing out” and involves just that — opening windows in ...