Researchers compare life expectancy with marital status and parenthood, to see whether having a child influences how long a person lives.
Those wed long-term have better chances of surviving compared to those who are divorced, widowed or single.
Donald Vandenberg, 89, reflects on love, loss and a daily lunch in a hospital cafeteria.
But when it comes to first-time commitments, men's well-being hinges on tying the knot.
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