Home > Human Body > June 22, 2014 Human Body Hearing your name being called when no one has actually called your name is a likely sign of a healthy mind. Share this:FacebookTwitterGoogle Related Posts A hug that lasts for 20 seconds releases oxytocin We have been infected by so many viruses that 8% of our DNA is made up of them. Hugging is a good medicine Chewing gum makes your brain run more efficiently and more effectively. The use of emoticons affects our corresponding brain areas If your hand or arm ‘falls asleep’, you can often ‘wake it up’ by shaking your head. Sex and weed help in preventing migraines. Suppressing a sneeze can rupture your blood vessels and can cause serious neck injuries. Lack of sleep can lead to an increased desire for sex, depression and substance abuse. Because of a genetic oddity that happens when identical twins marry identical twins, the children of the couples will be full genetic siblings.