⏰ We’ve all heard of our circadian rhythm—but what actually is a circadian clock, and why does it matter if we can’t even see it? The circadian clock is a built-in timekeeper that regulates our body’s essential processes. It’s controlled by a small area in the brain that uses the body’s own chemicals—along with signals from the outside world—to keep everything in sync. As Dr. Ramanathan explains, it’s more than just important—it’s the key to life. Watch to learn why. #circadianrhythm #science #universityofmemphis #uofmhealthsciences #healthscience #healthresearch #metabolism #diet #gymhacks #wellnesstips