A CIA handbook taught torture methods, and stressed the importance of psychological over physical torture. The threat of inflicting pain triggered fears more damaging than the pain itself, because people often underestimated their capacity to withstand pain.
Sudden testicular pain can be a symptom of testicular torsion. It occurs in about 1 in 160 males before 25 years of age and if not treated within 6 hours, can result in loss of the testicle.
