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BTWImChloe t1_iycpeba wrote on November 30, 2022 at 12:43 PM

Reply to comment by idontlikeyonge in UK food price inflation hits new high of 12.4% by misana123

>A 250 mg dose of caffeine has been shown to reduce resting cerebral blood flow (CBF) between 22% and 30%

That's a few cups of coffee

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2748160/

Also the teeth staining/sensitivity isn't great either