Deprivation, Suppression, and Obsession. Anyone who’s ever been on a diet knows the effect of deprivation: it not only makes us miserable, it makes us obsessed. In the famous 1945 Minnesota Starvation Experiment, which was run to determine famine relief practices after World War II, healthy volunteers were semi-starved for 6 months on a diet of about 1500 calories a day. The result?