Childhood itself has changed greatly during the past generation. Many Baby Boomers and Gen Xers can remember riding their bicycles around their hometowns, unchaperoned by adults, by the time they were 8 or 9 years old. In the hours after school, kids were expected to occupy themselves, getting into minor scrapes and learning from their experiences. But “free range” childhood became less common in the 1980s.
Source: How Trigger Warnings Are Hurting Mental Health on Campus – The Atlantic