By Pranjal Malewar – New Atlas =
Coffee doesn’t just perk up your brain, it might be flipping important switches inside your cells, too. While known for boosting alertness and offering some health perks, caffeine also tinkers with cellular behavior.
One key player it may influence is TORC1, a kind of biological traffic light signal that tells cells, “grow now!” or “hold off,” depending on energy and nutrient levels. This signal has been controlling energy and stress responses in living things for over 500 million years.