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To examine whether vitamin / mineral supplementation may lower mortality and incidence for human cancer and mortality from other diseases as well as to provide the scientific basis and feasible approach for human cancer prevention and control,from 1982 to 1991 scientists from China and USA conducted two randomized, double-blind,placebo-controlled nutrition intervention trials in Linxian,China,where the mortality rates of esophageal and gastric cardia cancer are among the highest in the world and there is suspicion that the population’s chronic deficiencies of multiple
Based on vitamin abuse and mineral supplementation may lower mortality and incidence for human cancer and mortality from other diseases as well as to provide the scientific basis and feasible approach for human cancer prevention and control, from 1982 to 1991 scientists from China and USA conducted two randomized , double-blind, placebo-controlled nutrition intervention trials in Linxian, China, where the mortality rates of esophageal and gastric cardia cancer are among the highest in the world and there is suspicion that the population’s chronic deficiencies of multiple