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Comment by llimllib | Hacker News Reader

> All I ask is this. Try going without caffeine for a month. And when you have, then write to me and tell me if it did or didn't work.

Didn't. I do it for about a month every year, and for me it doesn't make any difference.

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Lucky you. Some people are more effected by caffeine than others. My eldest daughter reports similar ups and downs as I do, my other daughter reports no large effects.

Must be genetic, then.

"Some people get jumpy after drinking a single cup of coffee, while others can gulp down a Venti Americano without feeling a thing. Part of that variability is due to the development of tolerance by regular coffee drinkers; but there are genetic differences in how people metabolize caffeine as well. "

https://www.23andme.com/health/Caffeine-Metabolism/

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"Coffee, CYP1A2 Genotype, and Risk of Myocardial Infarction"

http://jama.ama-assn.org/content/295/10/1135.long

I gave up coffee for Lent last year. It was the most excruciating time ever. I was irritable the whole time, I couldn't focus, and I felt like crap all of the time. It took about 3 weeks to get over the symptoms of withdrawl before I was "ok." The 4th week, I was just blah. After that, I started up with coffee again.

Sounds to me like you are strongly affected by coffee. It can't be good to be so dependent on anything.

Maybe you should try giving it up more slowly in the future. Reduce in-take gradually.

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