| Yawning doesn't necessarily mean one is tired. It means that our body needs more oxygen. |
| Too much stress and high blood pressure can lead to a condition called 'hematidrosis' in which a person sweats blood. |
| Our immune system is always looking for something to fight or else it decreases in strength due to a type of boredom. |
| A hot shower can unblock a stuffy nose and help relieve cold symptoms. |
| Prescription drugs kill more people every year than heroin and cocaine combined. |
| Brooke Greenberg, aged 20 is an American from Reisterstown, Maryland, who has remained physically and cognitively similar to a toddler, despite her increasing age. She is the only person in the world to suffer from "Syndrome X" which prevents normal aging. |
| Cracking one's knuckles does not cause arthritis. |
| A red blood cell can travel around one's entire body and get back to where it started in less than 20 seconds. |
| Dancing has been scientifically proven to make one healthier and smarter. |
| Applying pressure to an itch is the best way to get rid of it - The reduced blood flow will cause it to go away. |