High humidity takes a toll on our bodies

Have you ever noticed how cold you feel getting out of the shower on a cold, winter night? The reason the body gets cold is because the humidity is low in the air. Even if you’ve vigorously toweled dry, the body is still evaporating moisture off the skin…and in turn, you feel cold.

But now let’s talk summer. During a hot and dry atmosphere, the water molecules on our skin can easily evaporate and it’s easy to cool down (because there are fewer water molecules in the air taking up a given space).

During a hot and humid atmosphere (like what we’re in right now) there are many water molecules in the air. Not only is our body surrounded with hot temperatures, it is surrounded by humidity! The more humidity in the air, the harder it is to evaporate water off of our skin. To compensate for this, our bodies sweat more…which in turn can cause dehydration. Sitting in front of a fan feels good to our skin because the air movement allows evaporation to occur more efficiently.

Bottom line? When it’s hot (and especially humid) we need to replenish our supply of liquids and keep cool. While we didn’t hit 100° today…or even 90° it was still tough on our bodies, especially if you were doing anything strenuous. -ERIC

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This post was written by qni_it on June 27, 2007

1 Comment so far

  1. Justin June 27, 2007 4:51 AM

    One problem with it being dry though is that if the sweat evaporates instantly, you may not know that you are sweating, so you don’t drink enough water.

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