Popsugar Family Katie Couric Why Kids Are So Unhealthy The Tragic Reason Our Generation Is Likely to Live Longer Than Our Kids May 6, 2014 by Lisa Horten View On One Page Photo 4 of 10 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 4 Obesity in Young Adults Is Limiting Their Options Approximately 25 percent of 17- to 24-year-olds are too overweight to serve in the military. Previous Next Start Slideshow Katie CouricChild Health And Safety