Cardiovascular disease remains a leading global cause of death, and we break down its pathology, risk factors, and the ...

For the second year in a row, the US has surpassed 25,000 whooping cough cases — another sign of the risks of falling vaccination levels.

ME/CFS and the closely related long COVID could be caused by damage to the brainstem, according to a new scientific theory.

Fever, cough and body aches can point to flu, viral fever or Covid. With symptoms overlapping and risks varying, doctors say knowing how to differentiate early can prevent complications and stop ...