10 facts i bet you never knew

1.Sunburn is the result of your skin cells committing mass suicide to protect you from their damaged DNA, which can cause cancer. 2.Tetris is a game, which if played for 30 minutes a day, can make you smarter. 3.More than 90 percent of people are no longer friends with someone that they once called their best friend. 4. The best friendships tend to be with the people in which you can openly be weird with. 5. 70% of people enjoy old songs because of the memories they've attached to them. 6. Smiling, even in a bad mood, can immediately improve your mood because these muscles are enough to trigger happy chemicals in the brain. 7. Scientists concluded that the chicken came first not the egg: because the protein which makes egg shells is only produced by hens. 8. Your height is generally determined by your father. Intelligence, emotional strength and body shape is determined by the mother. 9. Inhale through your mouth, swallow saliva twice and slowly exhale through your nose for a 100% effective hiccup cure. 10. Your first instinct is usually right. So, always go with your first instinct, even if it's a bad idea... because bad ideas make good stories