Most medical professionals agree anything over 100.4 degrees Fahrenheit is considered a fever–though anything above normal body temperature could be a sign you’re fighting off an illness, and anything ...

We grow up learning that our normal body temperature is 98.6 degrees fahrenheit. And while that's largely true, there's some variation depending on factors like age, time of day, where you measure and ...

With all the flu, RSV, and COVID going around (to say nothing of everyday respiratory viruses), the most obvious symptoms we see and hear include cough, congestion, and crud. But hand in hand with ...

BOSTON - Cold and flu season is upon us, but germs that cause colds are in the air year-round. So, why do we seem to get sick more in winter? We've always thought that people were more likely to get ...