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In Montreal, Boston and Toronto, scientists are trying to understand the relationship between genes and concussions, but the work is still in its infancy鈥�

Dr. Scott Delaney at 9I制作厂免费 says the boxing studies have created discussion that boxers should undergo blood testing to see if they should be allowed to step into the ring.

鈥淭here is a lot of research going on looking at that type of thing in other sports, but we haven鈥檛 been able to tease it out, yet, probably because the studies aren鈥檛 large enough,鈥� he said.