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Some people don't experience anxiety from caffeine whereas others do.

This effect has been linked to polymorphisms on the A2a receptor gene (https://pubmed.ncbi.nlm.nih.gov/12825092/).



Interesting, thanks!

Edit: are low quality replies like this appreciated on HN or no?


> "...comments like "lol" or "That's the dumbest thing I ever heard" teach us nothing.

> Empty comments can be ok if they're positive. There's nothing wrong with submitting a comment saying just "Thanks." What we especially discourage are comments that are empty and negative—comments that are mere name-calling."

https://news.ycombinator.com/newswelcome.html




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