https://www.health.harvard.edu/blog/the-latest-scoop-on-the-...
https://www.health.harvard.edu/blog/the-latest-scoop-on-the-...
So I've been cutting down and drinking lower-strength of coffee, and more recently tea and lower-strength tea (which is also delicious). There are other delicious things I can eat and drink the rest of the day that don't have drugs in them.
Coffee is one of the, or the best, source of antioxidants in the standard American diet. Barring pre-existing Cardiac health issues there is no harm to daily use as long as you don't exceed maximum recommended caffeine doses, which was around six shots of espresso or equivalent.
Furthermore "In some publications, caffeine and trigonelline are considered to be antioxidants also." There is much more medical evidence that coffee is uniquely beneficial than otherwise.
Just one (of many) sources and source of above quote: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4665516/