Offspring of long-lived parents consume less sugar and substantially less sodium Sign up for our free Health Check email to receive exclusive analysis on the week in health Get our free Health Check email Get our free Health Check email Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy notice A diet high in fish, fruits and vegetables and low in sugar and sodium may help explain the longevity of centenarians’ children, according