The study was unable to determine exactly what happens at age 70, but declining health and loss of loved ones were both cited as possible reasons men's moods shift. (relevantmagazine.com)
Thank goodness for that much, though I know freak diseases and accidents can happen at any age group. (religion.blogs.cnn.com)
Generally, gross motor skills development happens at these ages and stages, and they build upon each other. (verywellfamily.com)