Ashley Mateo: The study basically simulated your average morning: a mug of coffee to wake up, a little gym time, another cup with breakfast, followed by lunch. Fourteen participants completed two moderate workouts on a stationary bike: one where they took caffeine (equal to two 8-ounce cups of coffee or 4 cups of black tea) 90 minutes before the workout, and one where they took a placebo. When caffeinated, the participants reported the ride as way easier than it was without the stimulant.... Read more