If you’ve noticed mucus or blood in your dog’s stool or blood in your dog’s urine, you may be wondering if it’s a cause for concern. Bloody diarrhea can be especially worrying. While these are ...

If you’re blowing your nose regularly, it’s hard not to notice your mucus—and what color it is. So it can also be alarming if you happen to spot yellow, brown, bloody, or green mucus in your used ...

Colorectal cancer is a serious health issue, affecting more young people. Early detection is vital for survival. Changes in ...

Bloody boogers form when blood mixes with mucus in the nose and the mucus dries. Various causes may include nose-picking or ruptured vessels. The nose lining is delicate and rich in blood vessels, and ...

Americans are weathering the worst flu season in years, as a number of other respiratory illnesses circulate too, such as COVID-19, RSV and the common cold. A telltale sign you’re getting sick is ...

The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the virus that causes the coronavirus disease (COVID-19), spreads through respiratory droplets and aerosols expelled when infected ...

How’s your blood and bile? Are you melancholic or phlegmatic? In early medicine, those questions were keys to the bodily humors — four substances linking physical illness to emotional states and ...