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The former president radically changed his diet after undergoing two heart procedures, including a quadruple bypass in 2004. Because of a family history of heart disease and some extra pounds, Clinton's doctors put him on a near-vegan diet heavy on fruits and vegetables and devoid of meat, dairy, and eggs. Research has shown that such intensive lifestyle changes can prevent or even reverse heart disease. "All my blood tests are good, and my vital signs are good, and I feel good," he said in a recent interview with CNN. "I like the vegetables, the fruits, the beans, the stuff I eat now."