Home > Human Body > May 15, 2014 Human Body Chewing gum makes your brain run more efficiently and more effectively. Share this:FacebookTwitterGoogle Related Posts Hearing your name being called when no one has actually called your name is a likely sign of a healthy mind. Suppressing a sneeze can rupture your blood vessels and can cause serious neck injuries. A hug that lasts for 20 seconds releases oxytocin Having an orgasm at least 3 times a week reduces your likelihood of dying from heart disease by 50%. We have been infected by so many viruses that 8% of our DNA is made up of them. A human brain produces as many as 12,000 to 50,000 thoughts per day Sex and weed help in preventing migraines. Lack of sleep can lead to an increased desire for sex, depression and substance abuse. If your hand or arm ‘falls asleep’, you can often ‘wake it up’ by shaking your head. Because of a genetic oddity that happens when identical twins marry identical twins, the children of the couples will be full genetic siblings.