the young monkeys from their moms, she predicted that the early life stress would lead to emotional instability. But instead, the stress led to resilience. As they grew up, the monkeys who had experienced early life stress were less anxious than the more sheltered monkeys. They explored more in new environments and showed greater curiosity toward new objects—a young monkey’s version of courage. They were quicker to solve new mental challenges that the experimenters gave them. As juveniles—the equivalent of teenagers—the previously stressed monkeys even showed greater self-control.
