Sweaty Socks

Dhara made a cool post on her blog about sweat! Check it out here! http://captainchemistry.tumblr.com/post/75404744948/relate-with-chemistry-sweat

But why does sweat make people and their gym socks smelly? Sweat, when it’s just plain sweat, doesn’t smell. But sometimes sweat bonds with a particular group of proteins, and it’s those proteins that smell, not the sweat. 

Watch this video to find out more!

And here’s something interesting: does your sweat ever smell worse when you’re stressed out?

When stressed, hormones including adrenaline and cortisol flood the body, resulting in things like increased heart rate and tensed muscles. That rush of adrenaline can also cause another physical side effect—sweat.

Stress sweat contains a lot of the nutrients that bacteria feed off of, and it’s the bacteria feeding off of sweat that produces most of the resulting odor. That means that stress-induced sweat smells worse than sweat from other causes. Read this article for more: http://www.healthywomen.org/content/ask-expert/8989/stress-sweat Wear deodorant, guys!

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