Short answers, pulled from the story.
The number of modern humans who lived to be a grandparent increased around 30,000 years ago. This shift allowed three generations to coexist for the first time on a significant scale.
Maternal grandparents are called Nana and Nani in Bangladesh, Pakistan, and many parts of India. Paternal grandparents are called Dada and Dadi in these regions.
Around 10% of children in the U.S. live in a household including a grandparent based on 2010 census data analyzed in a 2012 study. Approximately one third of these households consist of two parents and a grandparent.
A Court of Cassation ruling on the 8th of July 1857 recognized the right of grandparents to visit in France. This right was enshrined following the law of the 4th of January 1970 as part of a general overhaul of family laws.
Grandparents involved in childcare are more likely to suffer heart disease, hypertension, or body pain due to reduced time for self-care and missed medical appointments. They may also face anxiety, depression, or isolation from social relations while managing the caregiver role.