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.
Addiction is a disorder of the brain's reward system which arises through transcriptional and epigenetic mechanisms and occurs over time from chronically high levels of exposure to an addictive stimulus (e.g., eating food, the use of cocaine, engagement in sexual intercourse, participation in high-thrill cultural activities such as gambling, etc.).