When does playing video games become an addiction?

Nintendo Switch general producer Yoshiaki Koizumi speaks during a presentation event of the Nintendo Switch in Tokyo, Friday, Jan. 13, 2017. The video game console will sell for 29,980 yen (about $260) in Japan, starting March 3, the same date as its global rollout in the U.S. and Europe. (AP Photo/Koji Sasahara)