Home > Diet and nutrition > Nutrition basics Nutrition basics All sections in Diet and Nutrition » Beverages » Healthy Diets » Eat Well » Nutrition Basics » The Immune System » Vitamins, Minerals and Supplements » Weight loss » Diet and Nutrition News Too little and too much salt – both are dangerous Both too much and too little salt in our diet can be harmful; an 'optimal' range is the best option. Check Glycaemic index tool » Count Calorie counter » Quiz Ready for weight loss? » Ask DietDoc » Why it's good to go low-carb Enjoying fish without the risk Good fats for a healthy heart This article is a summary of the different types of fats and the role they play in preventing and managing cardiovascular health. The invisible nasties in your food Nano-particles in our food – healthy or not? Here's what you need to know about the hidden nasties in the foods you consume. 10 healthy alternatives to the ‘bad’ foods we love Whether you want to lose weight or boost your health, there are many small changes you can make to your diet to achieve these results. Healthy lunch box ideas Do you have to pack lunch boxes and make snacks for your children every day of the week? 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. How safe are artificial sweeteners? Most people who receive e-mails will have seen the "aspartame e-mail" which links this sweetener to every ill known to mankind. DietDoc looks into the safety of sweeteners. “ Latest comment on Health24 Marion Macgillivary says... was just intoduced to buchu tea for kidney problems.Hoping for relief. The health benefits of buchu tea ” Dangers that lurk in your fridge Ever been blown away by foul-smelling, mould-growing leftovers when you open your fridge? Find out what you can keep and what you should definitely throw away. Why your brain needs fish Did you know that your brain is 60% fat? And that DHA, an omega-3 fatty acid predominantly found in fish, is one of the most abundant types of fat in this crucial organ? Junk food costs you more There is a common misconception that healthy eating is expensive, but in fact the opposite is often true. load more articles advertisement From our sponsors Cardiovascular risk factors Take care of your teeth. Anytime. Anywhere. Like us on facebook! Live healthier Knee pain relief » Knee injuries Test your knee pain knowledge Symptoms of knee pain Do you suffer from knee pain? Do you suffer from recurrent knee pain? It could be osteoarthritis... Vitamin wise » Vitamins for HIV What to eat for vitamin B? Cut down on vitamins Get your vitamins right Find out which vitamin to use for which condition. Ask our Vitamin expert.