Punches Quotes

Why people like to be kicked and punched in the face. The game is famous as box??What's the inspiring thing?? Do you know that every punch in the head you lose a cell or cells so it's possible in the near future all boxer to be stupid. Why??Because of the punches!...But still I don't see where is the Adrenaline in this sport?? There are random punches or kickes without thinking just dicide it to do it for fun. But in games like chess there is strategy + logic!