Home > Diet and nutrition Diet and nutrition All sections in Diet and Nutrition » Beverages » Healthy Diets » Healthy Foods » Nutrition Basics » The Immune System » Vitamins, Minerals and Supplements » Weight loss » Diet and Nutrition News Could vitamin D help prevent cancer? According to news reports, vitamin D could help prevent colon cancer. But excessive intakes of vitamin D could also be dangerous. What should you know? Diet and nutrition News Adults should eat less than 6 teaspoons of sugar a day The WHO recommends a reduced intake of free sugars for adults to avoid health risks such as weight gain and tooth decay. More in Diet and nutrition News High-protein diet may up cancer and diabetes risk Globalised diet threatens health and food security Ethiopian grain a gluten-free alternative to wheat High-calorie diet may slow Lou Gehrig's disease Healthy you - healthy heart Mediterranean or carb-free: which diet is best for your brain? The number of people living with dementia is increasing at an alarming rate. Could our dietary choices help prevent our brain cells from deteriorating? See all Healthy you - healthy heart » Nutrition basics Junk food costs you more There is a common misconception that healthy eating is expensive, but in fact the opposite is often true. See all Nutrition basics » Nutrition basics Could lupins be the next superfood? Global warming poses a serious threat to the cultivation of traditional cereal crops such as wheat and rice. Could the humble high-protein/low-GI lupin grain become the next superfood? See all Nutrition basics » Vitamins, minerals and supplements Preventing disease with folate An adequate intake of the B vitamin folate (also called folic acid) is essential for normal development and the prevention of a variety of diseases, writes DietDoc. See all Vitamins, minerals and supplements » Take action Check Glycaemic index tool » Count Calorie counter » Quiz Ready for weight loss? » Ask DietDoc » Enjoying fish without the risk Lactose-intolerant – is milk a pain in your gut? Eat Well - A chocolate affair A chocolate affair As a chocoholic I firmly believe that life’s too short to not love chocolate. Everyone should experience this seductive pleasure at least once a week. See all Eat Well - A chocolate affair » Weight loss 5 crazy diets you should avoid Experts have drawn up a list of the five most bizarre and dangerous celeb weight-loss diets that are currently the rage. Here's why you should avoid them. See all Weight loss » Nutrition basics 5-a-day for better health Cansa's 5-a-day campaign refers to five servings of fruit and vegetables a day for better health. DietDoc tells us about the role of nutrition in the fight against cancer. See all Nutrition basics » Weight loss Garcinia - the latest weight-loss wonder? Every year a new magic weight-loss ingredient hits the market. The latest one is garcinia cambogia, an exotic fruit extract that promises "dramatic weight loss". See all Weight loss » advertisement From our sponsors Recovery after exercise is an essential part of any workout What is Metabolic Syndrome? Could you have it? Eyecare for computer users Treet-It Anti-Lice aiding schools in the prevention of Head Lice Live healthier Down hill? » Argus Cycle Tour Celebrities who masturbate Can't get it up? Erectile dysfunction and the cyclist Does cycling cause erectile dysfunction? Some urologists seem to think so. Fitness fuel » Banned substances Sport and nutrition Exercise myths busted Are there any 'safe' sports supplements? Sportsmen and -women need to be super vigilant when they take any medication or supplement. Just one wrong step can ruin a promising career, DietDoc warns.