Pope Francis downplays health issues: 'I am well'

Pope Francis, who turned 88 last month and asked an aide to read a major speech last week due to a cold, says in a new book that he feels healthy and has no plans to resign as leader of the global Catholic Church.

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"I am well," the pontiff states in an autobiography on sale in more than 100 countries on Tuesday. "The reality is, quite simply, that I am old."

The pope, who now often uses a wheelchair due to knee and back pain, says: "The Church is governed using the head and the heart, not the legs."