Most of us have fallen victim to an unyielding urge for a candy bar, a bag of chips, or a chocolate chip cookie. Cravings have the ability to make us lose control, abandon healthy habits, and give in to an immediate desire to satisfy what feels like a primal need. So what is a craving and what makes us willing to drive a few miles out of our way just to get our hands on a double chocolate milkshake or a greasy grilled cheese sandwich.
Cravings were once thought to be identifiers of nutritional deficiencies. Now researchers believe cravings are influenced by three factors: diet, memory, and emotion.