DrMJoyner17 karma2015-10-30 15:12:07 UTC
Yes, there is evidence that there are neurochemical changes in the brain that give people a "high'. Most recently so-called endo-cannabanoids have been implicated.
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DrMJoyner17 karma2015-10-30 15:02:08 UTC
Ed, I have been thinking about this for about 30 yrs and in that time the record has fallen 4-5 minute. Our statistical estimates say sometime in the 2030s. Could happen faster with a fast field, incentive based prize money, the right course and good cool temps.
DrMJoyner7 karma2015-10-30 15:33:01 UTC
The current trend is for younger, could be due to the financial incentives and not the physiology. Historically older was better
DrMJoyner7 karma2015-10-30 15:22:26 UTC
His 26:45 10k PR suggests that 2:03-05 is physiologically possible
DrMJoyner5 karma2015-10-30 15:36:45 UTC
Agree with Ed that he was unique talent and could have been the first. His fast time on a hot day in Beijing was amazing
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