Home > Newsletters > Daily: Love or hate Earth Hour? > Daily Dose: 'We could see her lungs through her skin' > Health-in-Motion 03 February 2017 Heading a soccer ball may not be as harmless as it first seems Heading a soccer ball may not be as harmless as it first seems. British scientists got soccer players to head a ball fired from a machine designed to simulate a corner kick 20 times in a row, testing their brain function before and after the experiment. The outcomes suggest small changes in brain function even after a single session with memory test performance dropping by between 41% and 67%. The effects normalised within 24 hours and it is unclear whether any changes would remain temporary after repeated heading sessions. 0 More: Daily Dose: 'We could see her lungs through her skin' Health-in-Motion advertisement Other news Lifestyle What drinking 8 or more beers a week does to your brain Fitness This rape victim is helping survivors worldwide Partner Content Bringing life-changing tech to SA healthcare countrywide Fitness The 5 biggest mistakes made by weightlifters Diet and nutrition Are you making this huge weight-loss mistake? Lifestyle Everything you need to know about bone density tests From our sponsors Discover treatments that can help reduce acne Dementia and Incontinence: what you need to know Fill in our quick and easy survey and stand a chance of winning a R2000 voucher! What can I do to reduce or remove acne marks? Live healthier Watch out! » Gross fungal infections you can pick up at the gym You go to gym to exercise. But make sure the only thing you pick up is a dumbbell and not one of these gross fungal infections. Holiday health » Your 10-step asthma holiday checklist Don’t let asthma ruin your summer holiday. Whether you are travelling or embracing the summer at home, make sure you plan ahead.