Yoshihiko Kadoya, Hiroshima University (IMAGE) Hiroshima University Caption "People shouldn't spend time worrying about the future. That is why governments provide pensions, housing, and medical plans. " Credit Yoshihiko Kadoya Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.