 However, 18% is a low anxiety figure for a period of life in which young adults are trying to leave their parents, find jobs, find mates, and going through radical changes. Pinning the anxieties of 18- to 25-year-olds on social media and smartphones may be a stretch, but Jonathan Haidt was not alone. He was riding a wave in the spirit of our age. Remember, every generation of parents is horrified by the new technologies of kids