Nordic Testicular Cancer Mystery Spurs Chemicals Probe

Nordic Testicular Cancer Mystery Spurs Chemicals Probe

Tomm W. Christiansen/Bloomberg

A businessman walks to work in the Aker Brygge financial district of Oslo. Incidence of testicular cancer last year was highest worldwide in Norway, with a rate of 12.7 cases per 100,000 men, and 12.5 per 100,000 in Denmark, according to IARC data.