Home > Newsletters > Need to Know > Set up an air filter at home Updated 18 July 2016 Action point 0 When you get back from a walk or braai, change into a clean set of clothes. Immediately toss the old ones into the laundry basket so that you don’t spread allergens throughout the house. Read more about preventing allergies. More: Need to KnowSet up an air filter at home advertisement Other news Medical Smoking pot? It could cost you your job Medical How a support dog has transformed the life of this boy with autism Medical Mangoes prove why they are considered the 'king of fruits' Medical A healthy lifestyle lowers the odds of breast cancer's return Diet and nutrition A handy guide to portion control - measuring food with your fist Lifestyle Keep moving to keep brain sharp in old age Live healthier Vaping dangers » Why vaping may do your heart no favours US moves to restrict flavoured e-cig sales, ban menthol cigarettes Under pressure, top US e-cig maker pulls most flavoured products from market Friends' vaping could pose danger to kids with asthma In a study, school children with asthma were found to be more likely to suffer an asthma attack after exposure to vapour from someone else's e-cigarette. Protect your skin » Just a little weightlifting can help your heart How to handle incontinence at the gym 10 ways to keep your skin glowing with good health in 2019 Avoid germs at the gym to protect your skin The bacteria, viruses and fungi that cause skin infections love warm, moist places like sweaty exercise equipment and locker room showers.