“It is known that brain cells do not recover. Their number decreases, due to which reflexes worsen, problems with speech and memory appear. I am sometimes interested in this topic, ”BJPenn quotes the athlete.

According to him, he takes care of his head and always puts on a helmet during training. 

“You can’t refuse sparring, it’s part of the profession. But I would like my brain to go to scientists when I am gone, ”added Costa.

On the account of the 28-year-old Costa 13 victories and not a single defeat in mixed martial arts.

Earlier, Conor McGregor told how he changed his life after his arrest.