From what I know its no big deal if you take 1 cup of coffee a day but generally coffee is no good.
Anyway I like coffee and true pleasure is when I take some coffee in Italy - I think Italians got the best coffee on the planet
They used to sell ephedrine at the gas stations in some states here. That shit was magic. I ate a bunch and drove from texas to ohio, visited family for a few hours, then drove to maryland and still had to take nitequil to fall asleep.
Nowadays you can't even buy more than 1 box of allergy medicine per month and have to show photo id and fill out a form to get it.
Mornings start with coffee, cannabis and water. All morning until about noon. Cannabis and water till bedtime.
oh look its the guy who googles everything
Coffee in the morning along with some high quality fats has worked wonders for me. Read about it here https://www.bulletproofexec.com/how-to-make-your-coffee-bulletproof-and-your-morning-too/
This guy knows his shit.