nausea or loss of appetite after training, or for convenience.8. Organise your routine of meals and snacks around your training timetable, to ensure adequate 24-hour recovery.9. Don't over-consume high-fat or high-protein foods at the expense

and an "inappropriate hormone response" that limits normal urination. This response may be genetic, and it can be exacerbated by medications including NSAIDs, which many marathon runners take, but it is also triggered by stress and, especially, nausea – like the nausea

you run. Eating too close to your run may spoil it by causing cramps and nausea. On the other hand, if you’re a true early bird, you may have the time to eat breakfast, read the paper and wash up before you head out of the door. Here are a few

the thought of food or gels repellent the further I run, yet I know I need to take on fuel to stave off keytoacidosis (and afterwards I sometimes feel nausea for a couple hours). I suspect you might not have experience with diabetic running directly, but do

With three disciplines to consider, it's easy to make mistakes when you're eating and drinking during training and racing. That's the bad news. The good news is that it's easy to avoid triathlon's common nutritional pitfalls if you plan ahead

lowers the concentration of sodium in the blood. In its mild form, hyponatraemia will cause bloating and nausea; in extreme cases it can lead to brain seizure and death.The group most at risk are women. Why? They're smaller and less muscular than men

Ruth is a leading sports dietician and a member of the British Dietetic Association and Health Professional Council. She is also an advisor to Sportscotland's Institute of Sport, specialising in helping athletes of all levels prepare nutritionally