Are you guilty of drinking too much coffee? Count yourself among the millions of coffee lovers worldwide. Coffee is and will remain one of the world's most loved drinks. Global health organizations regard coffee as safe for consumption. That said, you cannot have too much of a good thing. Who Should Avoid Drinking Too Much Coffee People have conflicting opinions of whether they should drink coffee. So is it beneficial? Drunk in moderate amounts, it does no harm. In fact, it even benefits the cardiovascular system.