Does BJJ cause brain damage?

Related questions

1. Do you punch in Jiu Jitsu?
2. How many times a week should you train BJJ?
3. How many restaurants does BJ's have?
4. Which is better BJJ or judo?
5. Is BJJ good for self defense?
6. Is it safe to choke someone out?
7. What does OSS mean lens?
8. Is judo or BJJ better for self defense?
9. Will BJJ help with wrestling?
10. Is BJJ good for self Defence?

Tags

1. #again
2. #there
3. #showed
4. #concussion
5. #training
6. #concussions
7. #referring
8. #players
9. #damage
10. #brazilian
11. #brain
12. #study
13. #unlikely
14. #believe
15. #jitsu
16. #doesn
17. #possible
18. #cause