Colombian President Juan Manuel Santos has travelled to the United States for medical exams after follow-up tests for a 2012 case of prostate cancer came back abnormal, he said. Santos, this year's Nobel Peace Prize winner for his efforts to reach a peace deal with Marxist rebels, announced the trip in a brief statement as he left a clinic in Bogota where he has undergone regular check-ups since having surgery to remove a small prostate tumor four years ago.
Venezuelan President Hugo Chavez came out of cancer surgery overnight in Cuba and is recovering in a hospital, two sources said on Tuesday, but there was still no official word on the leader's condition.
Scientists have claimed that eating soy could help prevent men from developing prostate cancer and from going bald. US researchers found a molecule produced in the intestine when soy is digested stops a hormone which can fuel prostate growth or cause baldness.