
Batten down the hatches — flu season is here. But when it comes to staving off the dreaded lurgies, what are just old wives’ tales and what really works?
It helps to first understand our body’s natural means of defence. As well as our skin and the mucus in our noses (yes, snot has its pluses) to stop germs from getting into the body, we have the microbiome — the estimated 30-40 trillion microbes living in our bodies.