Many people know that a woman's health, including her diet and exercise habits, can impact the health of her baby even before she gets pregnant. Many women try to shed excess weight and check with their doctors to optimize their health. But, until recently, little was known about the role a father's diet and exercise choices might play. VOA's Carol Pearson reports on a study that shows, just like for women, there is a link between the father's health and that of his unborn children.