Children today have far more restricted childhoods, on average, than those enjoyed by their parents, who grew up in far more dangerous times and yet had many more opportunities to develop their intrinsic antifragility. Compared with previous generations, younger Millennials and especially members of iGen (born in and after 1995) have been deprived of unsupervised time for play and exploration. They have missed out on many of the challenges, negative experiences, and minor risks that help children develop into strong, competent, and independent adults