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4. Lengthens Your Life

The secret to a longer life? Love just may be it. UCLA researchers found that the death rate for unmarried people was "significantly higher" than for married couples living together. While this could be in part because couple's have influence over each other's lifestyle decisions, as we mentioned before, but Harvard University researchers also found that married women are 20 percent less likely than single women die of stress-related causes like heart disease, suicide, and cirrhosis of the liver. As for married men, they're 100-200 percent times less likely to die of these causes than single men are. Love is keeping us alive!
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