Exercise or eating healthily (Eating healthy food) is more important in reducing the risk of heart disease?

The following is an extract from an interview with a heart surgeon Tan Yong Seng in

http://www.straitstimes.com/premium/life/story/saved-sars-20121001#2

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"Exercise can drop the risk of heart disease by 14 per cent, but eating healthily can drop the risk of heart disease by 30 per cent," he adds.

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