A large study collected data from 34,000 people at three different points over the last three decades – in 1991, 2001, and 2012. The study has revealed a sharp and suspicious drop in sexual frequency since 2012.
Adolescents in China who either spend more time on screen activities and less time on non-screen activities, including physical activity, are at risk and significantly more likely to experience depression, according to a new study.
