8 old wives’ tales about colds and how to avoid them, from vitamin C to sleep to warm beer

Colds may be spreading where you are as the end of the year nears, and they are usually followed by plenty of tips on staying well – but are any of them worth your while? We asked scientists whether we should drink warm beer, head to the sauna, take vitamin C supplements and more. 1. If you let yourself get cold, will you catch a cold? This is partly true. However, feeling cold does not automatically make you ill, which requires viruses. “It is true that your body’s defences are weakened to some...