Home > Diet and nutrition > Nutrition basics Nutrition basics 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 US introduces menu calorie labelling to fight obesity The US government will soon require chain restaurants and large vending machine operators to disclose calorie counts on menus to counteract obesity. Check Glycaemic index tool » Count Calorie counter » Quiz Ready for weight loss? » Ask DietDoc » What 100 calories of fruit looks like The lowdown on low-carbs Red meat for athletes part II – boosting muscle growth DietDoc takes a look at the role of protein in increasing athletes' muscle mass and strength, and speeding up their recovery after exercise. Red meat for athletes – part I DietDoc outlines the important role of red meat in the diet of sportsmen and women. Everything you must know about carbohydrates So which foods are classified as carbohydrates, and which are not? Carbohydrate portion sizes Carbohydrates should form the basis of a balanced diet. You're allowed 6-11 portions per day, depending on your age and activity levels. But how big is a portion? Is organic food better than non-organic food? The debate rages on about whether organic food is better than non-organic food and the jury is still out on this topic. Tips on gaining weight While many people have questions about weight loss and how to combat obesity, a great number of people also want to, and need to, gain weight. “ Latest comment on Health24 Audrey Pearl Meyer says... There never was a rainbow nation in the first place and never will be Claims of faeces and semen in Spur, Wimpy food ” Why you should eat potatoes Low-carbers are avoiding potatoes but these plants provide natural, unrefined carbohydrates and one 100g potato only provides 16 g of carbs along with valuable minerals. Don't avoid them! Is organic food a big hoax? DietDoc's firm belief that all's well with of organic food, globally and in South Africa, was recently seriously challenged. Tim Noakes: refined carbs may be toxic It’s taken a lifetime to realise it but Prof Tim Noakes now believes the overconsumption of refined carbohydrates may be toxic for the body. load more articles advertisement From our sponsors Uncontrolled periodontal disease and diabetes – a collective health risk? Exam stress – a challenge for the whole family Eduloan offers affordable education finance Live healthier Allergy alert » Allergy myths Cold or allergy? Children and allergies Allergy facts vs. fiction Some of the greatest allergy myths and misconceptions can actually be damaging to your health. Vitamin wise » Vitamins for HIV What to eat for vitamin B? Cut down on vitamins All you need to know about vitamins Find out which vitamin to use for which condition. Ask our Vitamin expert.