Hoax debunked: If you’re trying to quit smoking, go to a sauna 3 days in a row.

I’ve seen this picture doing the rounds on Facebook lately, and I couldn’t find someone who had debunked it:

A picture of a sauna with the text: If you're trying to quit smoking, go to a sauna 3 days in a row. You'll sweat out the nicotine and it'll be easier to quit.

I’m not a chemist, physicist, or physician; so take this with as many grains of salt as you see fit. The way I see it, there are 3 major things wrong with this assertion:

1) Nicotine is metabolised by the liver, whether you sweat more isn’t going to make your liver work faster (it will actually work slower if you are dehydrated).

2) The elimination half-life of nicotine is about 2 hours, so 3 days after a cigarette the nicotine would be long gone, sauna or no. For example, if you had 10 cigarettes worth of nicotine in you when you stopped, by the time 72 hours had passed you would have 0.0000000003 of a cigarette’s worth of nicotine.

3) Addiction to nicotine is what makes you want to smoke. If this method did somehow magically remove nicotine faster then the desire for nicotine would come back sooner; pretty much the exact opposite of what you are trying to achieve!

So sauna away, if that’s your desire; just don’t expect it to help you quit smoking.

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