Like falling out of bed

This one's a little on the obvious side, but it's been a long week and I'm turning 25 on Sunday, so my mental prime is clearly over. So anyway: 7 medical myths examined, including the idea that we should drink 2 litres of water a day, and that we only use 10% of our brains. THERE WILL BE DEBUNKING. YOU HAVE BEEN WARNED.