Israel's Holocaust survivors tend to live longer, on average, than Israelis who were not exposed to the genocide, despite being in poorer health overall, according to new research published today by JAMA.

Survivors of the Holocaust have higher rates of several chronic health conditions than the general population in Israel, but live an average of seven years longer, the study found. Researchers say survivors' longevity may be owed to a genetic predisposition that helped keep them alive during the Holocaust, as well as a resiliency they gained as a result of the trauma.

Read more at US News.