Home > Newsletters > Daily: Love or hate Earth Hour? > Daily Dose: How watching porn can cause erectile dysfunction > 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: How watching porn can cause erectile dysfunctionHealth-in-Motion advertisement Other news Medical schemes 20 medical scheme myths you should not believe Medical How watching porn can cause erectile dysfunction Medical There may soon be a cure for foetal alcohol syndrome Lifestyle Your health vs your job: what you shouldn't overlook Medical 5 conditions that can be mistaken for ADHD Diet and nutrition How just a few extra kilos can ruin your health From our sponsors How erectile dysfunction can affect relationships Coping with the fear of cancer IBS affects 15% of people around the world The evolution of asthma treatment Live healthier Here's some help... » Combat childhood obesity Childhood obesity brings future health problems 3 ways to get young couch potatoes away from the screen Are your children glued to their electronic devices? It might be time to start making some rules. Time for a break? » Stressful job leads to emotional burnout Work burnout tied to emotional eating This is why you must take annual leave Avoid burnout and use your annual leave to get some well-deserved rest. Your body and mind will thank you.