Nelson Mandela has had a history of Lung problems including Tuberculosis, according to usatoday.com.

Nelson Mandela is 94 years of age and South African President Jacob Zuma has released this statement according to usatoday.com.

"We appeal to the people of South Africa and the world to pray for our beloved Madiba and his family and to keep them in their thoughts. "We have full confidence in the medical team and know that they will do everything possible to ensure recovery."