The game was invented by Springfield College instructor and graduate student James Naismith in 1891, and has grown into the worldwide athletic phenomenon we know it to be today. there is 30 nba teams to this day and 12 wnba teams basketball is very fun when you know how to dribble and shoot the ball in the rim. Basketball teaches you about being a good team player and can be a great social sport. Basketball puts a lot of stress on the body and injuries can happen. so warming up, stretching your muscles and joints, and cooling down is important.