Marcos Montiel
“I only drink coffee on days ending in y,” so the saying goes. If this mantra applies to you, welcome to the club. Coffee’s best-known component, caffeine, is estimated to be the most widely used psychoactive drug in the world, with billions of people consuming it every day. But unlike other addictive substances, it is largely unregulated, and nobody would flinch at the idea that you might struggle to function without it from the moment you wake up.
Coffee lovers might be on to something, with a slew of studies showing that, taken in the right way, caffeine can improve…
