In the last few days, a couple of folks I know from back home in the cold land have signed up to
compete in either marathons, ultra-marathons or other extremely long
endurance events. The advertising for these events is dominated by
emotive jargon that asks “are you tough enough”, “think you're
hardcore”, and “put yourself through pain.” The names of the
races themselves are evocative of what is to come - “Sufferfest,”
“Sinister”, and “Death Race.”
The motivation to do these races, I can
only guess, comes from being able to think of yourself as “one tough mudder” (yet another race title) because these races
certainly are not about improving your mental or physical health and
well-being. They are mindless, disease inducing epics, nothing more.
There is clear evidence, even in the
mainstream medical media (which can be frustratingly slow on the
uptake), that endurance running causes inflammation, oxidative stress
and increased cortisol levels, all the harbingers of cardiovascular
disease. Running decreases muscle mass, impairs thyroid function,
and causes all kinds of repetitive strain injuries. If you run hard
enough and long enough, you can be pretty much guaranteed to impact –
negatively – every system in the body, from digestive to
reproductive. Put into this light, it is literally mind-boggling
that anyone would run for health!
All the runners out there will, of
course, come up with all kinds of inspirational stories of the dozens
/hundreds of people who went from couch-loafer to runner and have
lost weight, improved their mood, or had some other putative benefit
from a running program. These arguments, while emotionally appealing
have little basis in fact. They remind me of the 130 kilogram guy
who switched from a diet of junk food to a vegan diet and reported
feeling better. Eating any kind of real food will make you feel
better than eating junk, but that doesn't mean that a vegan diet is
the best long term health strategy.
The best long term health strategy does
not involve running yourself into an early grave. Lift heavy
weights, sprint once week, walk a lot, sit a little, eat real food.
There's no magic to it.
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