Global Health

Left-handed? Right-handed? The difference isn't to do with your brain

Combination picture of a spine model, a spine model implanted with a traditionally used titanium tube, and a spine model implanted with a 3D-printed artificial axis (L-R), are displayed at Peking University Third Hospital in Beijing, August 14, 2014. Chinese doctor Liu Zhongjun has successfully implanted an artificial axis produced by a 3D printer into the spine of a bone cancer patient. This was the first time that an axis produced by 3D printing had been implanted into a patient, according to Liu. Normally, a diseased axis would be replaced by a standardised, hollow titanium tube, said Liu. Pictures taken August 14, 2014. REUTERS/Jason Lee (CHINA - Tags: SCIENCE TECHNOLOGY HEALTH) - RTR43AAP

It is not the brain that determines if people are right or left-handed, but the spinal cord. Image: REUTERS/Jason Lee

Julia Weiler
Deputy Editor in Chief, Rurh Universitat Bochum
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