In order to avoid sniffles and coughs, desks full of tissues and sick colleagues this winter, we need to take care of a good immune system. You already know the basic rules: don't smoke, eat lots of fruit and vegetables, drink alcohol in moderation, wash your hands, reduce stress and get enough sleep. But there are also some slightly more unusual ways to improve the immune system. Today we present you 6 'strange' methods for a better immune system.
