John Coleman Coffee and Tea Coffee makes us speedy, irritable, sleepless, and often causes heartburn or ulcers. The removal of caffeine is supposed to reduce some of these undesirable effects.
Coffee is an addicting beverage.
If you consume more than 2 cups per day, you are likely to experience unpleasant withdrawal if you stop. The minimal suffering includes a headache, irritability, and fatigue. The popular ideas that the bad effects of coffee are caused by one chemical, caffeine, is misleading. Coffee is also a crop with pesticide residues. Coffee can be allergenic and makes some people obviously sick.