Why 'more the merrier' kids is bad for your heart

If you like a big family, you must know that it might not be the healthiest thing for your heart. A recent study published in the Journal of Aging and Health indicates that parents who have five or more children may face a higher risk of heart disease than those who have only one or two kids. A team of researchers looked at data from nearly 25,000 participants, aged 50 and older, who took part in a national health survey.