Black mucus is rare. It can be the sign of a fungal infection, or exposure to pollutants such as coal, dust or cigarette ...

It is not unusual to cough up phlegm with a common cold. However, it can also indicate a different, sometimes serious, underlying condition such as stomach acid reflux, lung disease, or heart disease.

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 ...

Coughing up blood — a symptom known as hemoptysis — can be a sign of several different conditions. Many of these conditions can be serious, and some even life threatening. One of the conditions in ...

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 ...

A research team from the LKS Faculty of Medicine at the University of Hong Kong (HKUMed) has highlighted recent advances in ...

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

In conjunction with World Chronic Obstructive Pulmonary Disease (COPD) Day, organised by the World Health Organisation and ...