Colds and flu can sap your appetite, right when you need nutrition the most. These are the foods that will keep your immune system in fighting shape—and a few that could make you feel worse.

Got a cold? Here’s how your immune system is fighting it. The human body’s defensive lineup is impressive—from made-to-order antibodies to natural-born killers.

As the days shorten and people trade their tank tops and shorts for sweaters and tights, the turn of autumn signals another new beginning: the start of flu and cold season, and Covid winter No. 3 ...

The best way to differentiate a cold and the flu is if you have a fever – and if you’re experiencing gastrointestinal symptoms, such as vomiting or diarrhoea, which can sometimes occur with ...