Caffeine might be the most nefarious thing we humans have normalized. What a drug, right? It makes you feel like you’re exercising just being stationary. It increases your sitting heart rate. It gives you a burst of energy. It also strongly counteracts feelings of tiredness.
Well, those are the good things about caffeine. The negative points are all over the map, though. They range from the inconvenience of existing without caffeine for a day to the worst migraine you’ve ever experienced when you try to quit cold turkey.