Use double quotes to find documents that include the exact phrase: "aerodynamic AND testing"
Adolescent girl playing soccer.

Research from UBC finds teens, especially girls, report better mental health when they spend more time in extracurricular activities, like sports and art, and less time in front of screens. Less than two hours per day of recreational screen time (e.g. browsing the internet, playing video games, and using social media) was associated with higher levels of life satisfaction and optimism, and lower levels of anxiety and depressive symptoms.