It also was common for these teens to use the apps to connect with friends and find new gay, bisexual and queer friends and boyfriends, which sheds new light on who uses adult male hookup apps and why. CHICAGO - Although hookup apps require users to be 18 or older, a new Northwestern Medicine study found that more than 50 percent of sexually active gay and bisexual boys ages 14 to 17 met male sexual partners on apps such as Grindr and Scruff.
