How Your Genes Influence Your Response to Caffeine
For many people, caffeine is a daily necessity—whether it’s a morning coffee, an afternoon energy boost, or a pre-workout pick-me-up. In fact, nearly 90% of U.S. adults consume caffeine in some form. It’s known for increasing alertness, improving mood, and sharpening focus. But not everyone experiences caffeine the same way, and the reason often comes down to genetics.