The friendship between old men and their grandsons can well influence health of both parties: scientific research

A question of, whether it is worth involving in education of children of grandmothers and grandfathers, it is actual for many families. Certainly, if parents have no choice in any life situation, they, without reflecting, bring to old men of the children. But if there is no need to leave with someone kids, their parents involuntarily reflect on that, how exactly elderly people influence their children...