Calories in thin crust vegetarian pizza 12''. 1  1 oz of pizza - 59 calories. 2  1 slice of pizza (approx 3 oz) an eighth of the pizza - 180 calories. 3  1 gram of pizza - 2 calories.
In my studies of addiction, the concept of cravings comes up often. Researchers talk of wanting versus liking of drugs and of the idea that cravings are a programmed response to environmental signals that have been connected to drug use through experience.
The definition of an addiction is an obsessive need for a habit forming substance or activity. The constant craving for a drug is an example of an addiction. YourDictionary definition and usage example.