Is drinking coffee too much bad?

too much of a good thing is 9/10 a bad thing

it can be. i had gastritis because of to much coffee

remember to brush your teeth after a cup

If you drink too much it'll have the opposite effect

Everything that is used too much is usually bad for health.

nah you'll be fine 100% no cap

Too much sugar in it is bad. Try having ur coffee black, with less or no sugar

if you are sick of the stomach, drinking coffee does not help at all
I wish I could drink coffee every day, but I have an epatic disease u.u

everything in moderation is key - esp. addictive substances.

anything in excess is bad for you , of course