If you’re stuffing your body with too many of the wrong foods, this wonderfully complex marvel of nature starts to sputter and break down.

Your body is the most sophisticated organism on the planet, a wildly fuel-efficient and self-sustaining engine capable of processing energy, ridding itself of toxins and waste, regulating its own temperature, and even protecting itself from harmful infection. But if you’re stuffing your body with too many wrong foods—bad, ultra-processed, and less nutritious ones—this wonderfully complex marvel of nature starts to sputter and break down.

After all, as Stephen Kopecky, M.D., a cardiologist at the Mayo Clinic, once noted, our bodies just weren’t designed to eat so many of the terrible foods (and specifically fried foods) that so many of us consume on a daily basis today. “If you have a diesel engine, you don’t put gasoline in your diesel tank,” he says. Curious what some of those subtle signs are you’re putting the wrong fuel in your tank? Read on, because we’ve included at least of a few of them right here. And for more signs you’re living an unhealthy lifestyle, don’t miss The #1 Danger Sign You’re Drinking Too Much Alcohol, According to Doctors.

Originally published at MSN