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 » Food Safety Electrolytes and our ‘water balance’ Electrolytes are vitally important to our health: when the amount of water in our bodies changes, it can cause levels of electrolytes to become too high or too low. Check Glycaemic index tool » Count Calorie counter » Quiz Ready for weight loss? » Ask DietDoc » WATCH: KFC staff hosing down chicken Portion sizes: getting it right How to benefit from negative-energy foods Some foods have such a low energy content that you can eat large quantities of them without risking weight gain. Here's how to use these foods to your advantage. 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? Am I eating too much fat? Are you consuming too much fat in your diet? Take this quiz to learn if you are at risk for being overweight, developing heart disease, diabetes and certain cancers? Drinking too much water can be dangerous There is serious danger faced by athletes if they drink too much water or too many sports drinks, according to a new study. Why South Africans are addicted to fried chicken DietDoc investigates how fried chicken is contributing to making South Africans 'the fattest population in sub-Saharan Africa'. “ Latest comment on Health24 Igbo Ogw? Ojoo Agboro says... I have known this fact for a long time. Coffee may help prevent erectile dysfunction ” Eating too much? Blame your genes Recent research reveals that our genes not only affect the type of foods we choose to eat, but also how much, and how often. The fructose controversy Some say high intake of fructose is to blame for obesity, cardio vascular disease and metabolic syndrome while others say is a sugar like any other. DietDoc investigates. Chicken farmers to pay price for antibiotic-free McNuggets McDonald's decision to phase out human antibiotics from its US chicken supply will add to costs that are likely to be borne largely by poultry companies. load more articles advertisement From our sponsors Is your baby dehydrated? How to tell. Taking charge of your health Man, take care of your health! Live healthier Healthy ears » A middle-ear microphone Deaf and drop-dead gorgeous The gift of hearing The strangest things found in people's ears Doctors have found some very weird things in patients' ears. We look at 7 strange things found in human ears . . . Live allergy free » 10 dog breeds for allergy sufferers Strange allergy cures Managing seasonal allergies Bust those allergies! All you need to know about relieving seasonal allergies.