"Eigenvector" <
[email protected]> wrote
>I run about 5 days a week, when the weather is more humid than normal I
>sweat like a horse. I also notice that on those days I get an upset
>stomach at just about the end of my run - the runs kind of upset stomach.
>I've wondered if the sweat that I inevitably swallow has something to do
>with this or whether I'm in denial about a case of heat exhaustion.
I don't know how many lbs of sweat you are talking about here. Try
weighing yourself before and after your sweaty runs (after removing sweaty
clothes).
If you've lost a couple of lbs, then you may have low-salt queasy stomach.
Sweat contains a fair amount of salt, and if you get a bit low, the first
sign is often a queasy stomach.
The solution is to take some salt (gatorade, etc doesn't have nearly enough)
during your run with water. Because I go on longer runs (over 90 minutes)
often, I usually take a Succeed salt capsule midway through, just on general
principle. I will get queasy after an hour or two if I don't -- note that I
run in LA, where it's a desert-like climate, and don't sweat as much as if I
were, say in North Carolina.
> If it is heat exhaustion, is the answer to that cutting back my run or
> sipping water during it? I just can't see myself drinking water while I
> run.
The nasty part about the low salt queasiness effect is that you are getting
dehydrated, but don't want to drink. It can become a vicious cycle. Get
some S caps, or just have one of those little restaurant salt packets with
some water (starting 15 mins after you start) once or twice and see if that
doesn't make things better.
If you are really hot, then you need to slow down or stop -- there's nothing
else you can do without hurting your health. Skinny people (bmi < 22) have
an edge in the heat because they have more surface area per weight, but
that's a long-term fix. I can run comfortably in 100F heat provided I stay
hydrated and salted, and find the pace at which I don't overheat, but I'm
reasonably thin (bmi in the high 21's).
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