Optimism and Health

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Question 1 - 4

Complete each sentences with correct ending



A study group from Yale University had discovered that optimism can stretch one's life length by 1. 14....................... years. And another group from Harvard thinks they have found the biological basis - optimists have better 2. 15....................... because an optimist outlook boosts one's 3. 16........................ The study on 4. 17 was cited as evidence in support of this claim.