“Metabolism” is the name of the bodily system that converts food calories to energy needed to perform various tasks, like pumping oxygen to muscles during a long walk. Many variables contribute to your metabolism, including heredity, gender, and age. But you can quicken yours; here’s how.
This helps ensure you don’t overload your metabolism with a surplus of unusable energy (that is, food). Use a food scale or measuring cups to identify proper portions. Or use your hand as a guide. A fist equals a serving of fruit, a cupped hand equals a serving of cereal or grains, two cupped handfuls equal a serving of leafy green vegetables, and an open palm equals a serving of meat.