Home > Diet and nutrition > Multimedia Multimedia All sections in Multimedia » Fitness » Man » Diet and nutrition 10 foods to boost your immune system Prevent sickness by stocking up on these items the next time you’re at the grocery store. Or even right now. Latest Multimedia Your quick guide to Banting 10 foods with hidden fat Why it's good to go low-carb Even Santa Claus has gone Banting this year What’s SA’s most sugary drink? The lowdown on low-carbs 8 microwave myths Jamie Oliver and Ed Sheeran rap against obesity load more multimedia advertisement From our sponsors How to care for your vaginal flora Live healthier Hello? » SEE: Interesting facts about hearing loss Earworms: Let it go Is it bad to sleep with earplugs all the time? SEE: Do women hear better than men? The reason why men often appear not to be listening could be because they actually can't hear you. Confident smile? » Acidic drinks can harm your kids' smiles The facts on bleaching your teeth Am I taking good care of my teeth? Why are my teeth stained? We know the rules – brush your teeth twice a day and floss to keep them healthy. But, have you ever wondered what causes those stains that sometimes appear?