Harvard University scientist Dr William Li appeared on a podcast to discuss how bacteria in the digestive system could contribute to ‘super-agers’, people who live over 100 years, long lifespans. Post navigation Hundreds of illegal migrants arrive back in Mexico after being deported from America in Trump’s new clampdown as latest figures reveal lowest number crossing into US in years Brazen moment Mexican cartel gangsters with high powered rifles open fire on US Border Patrol after Trump branded them terrorists