Because ultrarunning is on my mind, I read an article today about a fascinating experiment done in Europe, tracking participants in the Trans Europe Footrace, and scanning them every few days with a portable MRI machine. It's a race that takes place over a span of 2 months, where people run from Italy to Norway, with no days off.
The wildest result to me, pertained to the brain:
"At the end of the race, MRI of the brain revealed about a 6.1 percent loss of gray matter volume in the runners. After eight months, gray matter volume had returned to normal levels."
I found this statistic stunning.
After 2 months of running,
It takes 8 months to regain
Your normal volume of brain?!
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