Home > Diet and nutrition > The immune system The immune system 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 Why do we lose our appetite when we are ill? Researchers from Stellenbosch University are calling for a reassessment of the medical practice of force-feeding ill patients. They argue that loss of appetite may be one of nature's bug-fighting mechanisms. Vit & Min doses per day » Count calories in food » Is my vegetarian diet balanced? » Ask The Dietitians » Don't get into these bad winter habits 10 foods to boost your immune system Who needs to supplement? Is it really necessary to take vitamin and mineral supplements if you follow a balanced diet? Well, it depends on your situation, really. Here's some sound advice from DietDoc. Can you really boost your immune system? Can any product really boost your immune system, or are you being taken for a ride? If you think you'll get sick you will Some patients may develop symptoms and side effects purely because they've been told about them, known as the so-called "nocebo effect". Mercury in seafood linked to autoimmune diseases High amounts of mercury in seafood have been linked to autoimmune diseases, which affect around 50 million Americans, most of whom are women. Moderate alcohol consumption may support immunity Forget an apple a day to keep the doctor away – research shows a glass of wine could be just as effective. How will the 'Tim Noakes' diet affect your immunity? Can following a low-carb diet help boost your immunity and keep you healthy this winter? load more articles advertisement From our sponsors Cipla Nutrition- Dummies Guide to Enduro Prep 4 clever ways to stay active this winter Key signs you need a change in diet Clear your head with fast-acting, long-lasting Sinutab® Nasal Spray Live healthier PMS, depression & suicide » Don't let PMS get you down Symptoms of PMS Diagnosing PMS The link between PMS, depression and suicidal thoughts The symptoms of premenstrual dysphoric disorder (PMDD) are similar to those of PMS, but generally more severe – and could include depression and even thoughts of suicide. A vegan marathon runner » Comrades: don't run if you're ill Fuel your body for the Comrades Running the Comrades Marathon on a vegan diet Donovan Will, who is training to run the Comrades Marathon, speaks to Health24 about his plant based diet and fears of getting injured ahead of the big race.