Key points from article :
Study of athletes aged between 50-80 who ran an average of 36 miles per week.
Master athlete’s brains get significantly less blood flow after not exercising for 10 days
The hippocampus, which is responsible for building and storing memories, notably got less blood flow to it.
But no impact on cognition tests.
The study was published in the Frontiers in Aging Neuroscience journal.