Paleo Exercise - 3 to 10 miles running every day or every other day with some weights.
Bill Andrews - thinks that marathons and ultramarathons are ok if you do not go for great times.
5 to 6 hour time for marathon and not 3.5 hours.
Do not want to have inflammation and being unable to do things the next 3-4 days.
Alex Lightman - be a citizen scientist about it.
Try it for yourself
Marathon - it is not the running that gets you, it is the high rate of exertion for a long time that is bad. the Marathon scarring.
nothing that counters neurogenesis
still need good diet
exercise is good but do it right
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