In the North Atlantic Ocean, south of Greenland and Iceland, a swath of water is doing something very strange. While the rest ...

If the blob persists for years, it could eventually cool the climate around Greenland, Iceland and northern Europe.

A cold typically resolves after about a week, although congestion, cough, and runny nose can linger. Your cold may be improving if you have more energy and your symptoms are milder. Generally, these ...

Prevent fading and shrinking while saving energy.

Add Yahoo as a preferred source to see more of our stories on Google. While children play in winter wonderlands, families nestle together near the fire, and workers attend their annual holiday party, ...

While both infections may cause a sore throat, unlike a cold, strep throat does not cause a cough and runny nose. Additionally, strep can cause tiny red spots on the roof of the mouth called petechiae ...

Both are respiratory illnesses, which means they affect the lungs and other organs that are responsible for breathing. But while flu is caused by influenza viruses only, a cold can be caused by more ...

Colds result from viruses, not rain. However, being wet and cold for prolonged periods may lower your immune system, making you more likely to experience an illness like a cold. Share on Pinterest ...

Many people across cultures grow up hearing that cold weather makes you sick. Going outside without a coat, breathing in cold air, sleeping in a chilly room, getting caught in cold rain or snow, or ...

Add Yahoo as a preferred source to see more of our stories on Google. Cold hands are common, but experts say certain red flags can mean a bigger health issue is at play. (Getty Images) (Yuliya Movchan ...