A few bumps, bruises and broken bones from playing on a playground might be good for kids after all. Playgrounds with safety features such as low height limitations and padded ground might be too safe, the New York Times reports, potentially preventing kids from developing emotionally and contributing to unnecessary anxiety later in life. Risky play, such as climbing or wrestling, gradually exposes kids to dangers and helps them solve problems. What kids learn on the playground is a similar technique that therapists use to help conquer phobias in adults – starting small and working toward larger goals, such as reaching the top of the monkey bars – Ellen Sandseter, a professor of psychology at Queen Maud University in Norway, told the Times. Some experts and parents disagree with the idea that playgrounds may be too safe, worrying fears may be introduced too early in a child’s life and ultimately develop into phobias. However, recent studies have shown quite the opposite, purporting that kids injured at a younger age are less likely to develop phobias toward risky behavior as those who didn’t experience the same life lessons.