coughs, injuries, stomach pains) means no training.Unfortunately, this is all completely my fault. After a stag weekend in Valencia, my immune system was considerably weakened. This, followed by a flight back to London in a pressurised cabin

Winter Woe: Catching a ColdThe only gloop you want to be swallowing on the run is an energy gel, so bolster your immune system with plenty of vitamin C-rich citrus fruit, peppers and broccoli. Low levels of vitamin D also leave you susceptible

, such as Desiree, can be cooked with the skin on, to retain more nutrition.Green BeansThese are packed with good things: fibre, for effective digestion; antioxidants such as vitamin C to protect the body from free radicals; vitamin A, needed for a strong immune

and repair and it's also essential for the immune system. Chicken also contains the mineral selenium, another powerful antioxidant, and vitamin B3 (niacin), which helps protect the body's DNA from attack by free radicals.Wild riceIt's actually a type of grass