Psychological problems associated with food deprivation and weight loss
A reference experiment (Minnesota Experiment, Keys et al., 1950) was conducted on 32 subjects of about 25 years of age, who, at the outset, were in good physical and mental health. The results showed that, after 6 months of food deprivation during which the subjects ate only half of a normal day's intake, they had lost an average of 16 kg (7 lbs.) and were suffering from:
  • depression
  • irritability
  • nervousness
  • emotional instability
  • social withdrawal
  • diminished interests
  • reduced libido
  • concentration difficulties
  • obsession with food
Introduction
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