What if I told you that you are just as much bacteria as you are human cells? Trillions of species of bacteria live either on us or in us. These critters are essential to life and we form a symbiotic relationship with them.
As the weather gets colder and we retreat indoors, we are much likely to come down with seasonal colds and even the flu. Read on to learn our top tips to support your own immune defences naturally or watch Heather on Virgin Media One.