Home > Newsletters > Daily: Love or hate Earth Hour? > Daily Dose: ‘Paranoid’ Noakes knew about forces to silence him > 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: ‘Paranoid’ Noakes knew about forces to silence himHealth-in-Motion advertisement Other news Diet and nutrition Sugar tax: Job losses far lower than projected by industry Lifestyle 5 possible causes of pigmentation problems Diet and nutrition Book extract: ‘Paranoid’ Noakes knew about forces to silence him Medical SURVEY: Where do most of SA's allergy sufferers live? Medical Hopes that cutting edge tech could see jump in bone marrow donors Medical Can hair dyes and relaxers raise breast cancer risk? From our sponsors WIN a R2000 Skin Renewal voucher! Constipation in women SA's old diesel vehicles continue to fuel allergies Complete our allergy survey and stand a chance to win R 1000! Live healthier Wasting water? » South Africa is facing a water crisis Water saving tips Water quality report shocks SEE: How much water do you use per day? With level 4 water restrictions in Cape Town, residents are urged to use a maximum of 100 litres per person per day. Here’s how quickly it adds up. Life saving tip! » SEE: 10 things to keep in your first aid kit 10 first aid myths Here's why you need a first aid kit in the car Emergency services are often spread thin, especially when storms and major disasters strike. When travelling on the road, having a well-stocked first aid kit could be a lifesaver.