After carefully following the recovery rates of patients who had suffered a heart attack, Friedman discovered that those who were dog owners, compared to those without a canine pal, were almost nine times more likely to be alive twelve months later. This remarkable result encouraged scientists to explore other possible benefits of canine companionship, resulting in studies showing that dog owners coped well with everyday stress, were relaxed about life, had high self-esteem, and were less likely to be diagnosed with depression.
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