It’s called the Grandmother Effect, and it may be one of the most quietly powerful longevity habits there is: when the generations stay close, everyone lives longer. It runs in both directions 👇 For the grandchild. Across societies studied throughout history, children with a living, involved grandparent were more likely to survive and thrive. It’s one of the most consistent findings in all of human family research. For the grandparent. Those who help care for their grandchildren tend to outlive those who don’t. In one long-running study, grandparents who pitched in had roughly a one-third lower risk of dying over the years that followed. Why? Because staying involved keeps you in the game: more steps, more purpose, more laughter, and less loneliness, the very things that protect the heart and the mind. One clarification: the name is historical, born from studying why women live so long past childbearing. But grandfathers who stay involved get the very same boost. It was never onl...