The cold days of the winter months in particular, see a rise in respiratory tracts infections such as colds and flu. So as winter approaches, it's worth taking steps to boost your immunity.
If you are fit and your immune system is healthy, your body can often fight off infections that cause upper respiratory infections without developing sniffles, coughs, sneezes or sore throats. It is usually when the body is lacking in nutrients, stressed or feeling tired and run down, that symptoms tend to strike.
