Well because this is health I am assuming they are referring to the health side of the sport. The concussion rate in the sport is super high, higher than most sports even with the padding and helmet protection. It is also a high contact sport so injuries are bound to happen.
1. <em>you don't have sex with your partner</em>
2. <em>Poor quality intercourse</em>
3. <em>Night time activity</em>
4. <em>Bad teeth</em>
Enjoyable and to your favourite liking.
