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I drank 3+ espresso's a day for years. Read some books regarding circadian rhythms vs. sleep vs. caffeine vs. adenosine.

Decided to quit coffee. Quit the next day for a year or so. I had zero symptoms like the articles mentions or anything like that. No substantial effect at all.

tl; dr highly suspicious of this article.

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I think "I didn't have withdrawal symptoms so no-one does" is a bit of a dodgy position. I don't think much of the post (a long post about how she doesn't drink caffeine, which ends with her recommendation for caffeinated green tea), but you need only browse this thread to see that there are people for whom caffeine withdrawal symptoms are real. My own are very mild (just some headaches), but that doesn't mean everyone's are.

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