Jews who survived wartime Europe have more cancer

But Stephen Hursting and Michele Forman, U.S. researchers at the University of Texas who wrote a commentary to accompany the Israeli findings, said European Jews exposed to the Holocaust would have faced a host of debilitating factors besides starvation.

"These multifaceted stressful conditions were very different than the experimental conditions characteristic of the majority of the published caloric restriction studies in animal models," Hursting and Forman wrote.

(Editing by Cynthia Osterman)