The shutter release of a camera, the glass in the restaurant or the coin slot on the shopping trolley: Many things in everyday life are naturally placed in such a way that they are easily accessible to the right hand. The reason: According to an analysis published in April by the “Psychological Bulletin” magazine, only 10.6 percent of people use their left hand for writing and fine motor movements. In order to find their way around in a right-handed world, they automatically learn to arrange themselves. But the compromises they make are dangerous. WELT explains how, among other things, wrong postures and learning problems can be prevented.