Imagine trying to bake a cake without heat. You’ve got all the ingredients like flour, eggs and sugar, but nothing is happening. That’s what your body would be like without enzymes: potential but no ...

Sign up for CNN’s Eat, But Better: Mediterranean Style. Our eight-part guide shows you a delicious expert-backed eating lifestyle that will boost your health for ...

Enzymes originally evolved in high-temperature environments and later adapted to lower temperatures as Earth cooled. Scientists discovered that a key shift in enzyme function occurred over ...