Ben Zimmerman lives in a suburb of Chicago. Like a lot of 9-year-olds, he's fond of YouTube, Roblox, and Minecraft.
And, like a lot of parents, his mom and dad wanted to make sure Ben wasn't spending too much time on those activities. They tried to use Google's "Family Link" parental control software to limit screen time for Ben and his older sister, Claudia.
Want to know what the teenagers in your life really think about sex and drugs?
Are you sure?
Well, researchers at the Centers for Disease Control and Prevention have a pretty good idea, thanks to the Youth Risk Behavior Survey. Every other year, thousands of teens in public and private high schools across the country take this nationally representative survey. The CDC just released results for 2017, and here are a few of the highlights: