Coffee and caffeine are not interchangeable terms. Did you read the article? On coffee as vasoconstrictor, data is mixed, most finding a benefit on endothelial function. Coffee has over 800 compounds in it, many bio active, some counter regulatory to caffeine, and with various potential benefits.
See: https://www.ncbi.nlm.nih.gov/labs/pm...es/PMC6770186/
You just told me you didn't read the article without telling me you didn't read the article...
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