Many HS peer crowds have been constant, but changing demographics, cultural influences and college attendance have led to new peer groups.
Brain health at age 3 has been linked to how much we spend on healthcare and other social costs as adults. Digitization of life helped with the matching.
Kindness and social skills are probably more important to stress than grades and extracurricular participation, esp. for younger students.
New research, trying to replicate findings that showed reading a little literary fiction would boost social cognition, failed to reach the same findings.
Recess helps, not just with social and physical development, but also with academics, because it increases the amount of time kids pay attention in class.
Maybe we should increase the amount of time young children spend in recess or in unstructured play. It might help learning.