Astrologer hospitalized in Puerto Rico â€" 2012 predictions too stressful A television astrologer with millions of fans in Latin America is in a Puerto Rico hospital with pneumonia after he was weakened by the stress of finishing his 2012 predictions, his assistant said. Walter Mercado, who now goes by the name Shanti Ananda, collapsed over the weekend at his home during a private event, the Miami Herald reported. He was later transported to hospital in San Juan. "Walter is stable, connected to oxygen and on antibiotics," his assistant, Willy Acosta, told the Herald. Acosta told the Herald that the stress of completing 2012 astrological predictions for various publications during the last weeks of 2011 impacted the personality's health.