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Very high caffeine tolerance (weirdly: sometimes not) as a non-regular coffee drinker (lemmy.ml)

submitted 1 year ago* (last edited 1 year ago) by HelixNebula@lemmy.ml to c/asklemmy@lemmy.ml

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If I just had high caffeine tolerance I'd guess it's either because of fast caffeine metabolism or my ADHD. Sometimes a regular cup of coffee is more than enough to wake me up and improve my ability to concentrate and sometimes not even a 4x Espresso is enough, with no discernible reason why. I have tried drinking coffee on an empty / full stomach, which doesn't seem to make a difference. Any idea why this might happen?

Edit: Things that might matter:

I am getting enough sleep
I have normal body weight (BMI slightly below 24)
I would consider my diet balanced, although I do like eating fastfood sometimes

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[–] Devi@kbin.social 1 points 1 year ago (1 children)

I used to teach at a college for kids with disabilities, a lot of ADHD kids self medicate with caffeine and rather than have the buzz that happens to others it calms their minds and improves their focus.

No scientific data but I assume it reacts differently with the ADHD brain in a similar way that amphetamines are proven to.

[–] khab@kbin.social 1 points 1 year ago

Well, ADHD is (greatly simplified) caused by your brains “control center” not being able to do its job properly. (We don’t know why). This leads to being easily distracted, having trouble controlling and keeping track of thoughts and all the other symptoms - the brain just runs a bit wild with things.

Caffeine, and indeed amphetamines, boost your brains processing power, and your control center benefits from this. Thus, it can do its job better and keep the rest of the brain focused on stuff.