Salt isn’t the only substance your body craves. The human tongue prefers sweet, salty, and fatty flavors to the more subtle tastes of veggies, whole grains, beans, and other good-for-you foods. Sweet fruits and fatty meats pack a lot of energy, which was essential to our ancestors in the age before Twinkies, fast-food restaurants, and 24-hour convenience stores. Our bodies still crave these high-calorie foods (which is why they taste so good). Companies that make breakfast cereals, potato chips, candy bears, and other junk food are well aware of our cravings and tailor the tastes of their foods to trigger our addiction to sweets, salts and fats.
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