Indian sadhu (Hindu holy man) Prahlad Jani gives a traditional greeting as he takes part in a press conference at a hospital in Ahmedbad on May 6, 2010. A team of military doctors backed by India's national defence research centre is studying an 83-year-old holy man who claims to have spent seven decades surviving without food or water. AFP PHOTO/ Sam PANTHAKY (Photo credit should read SAM PANTHAKY/AFP/Getty Images)
