In this Oct. 1, 2014 file photo, students meditate during Mindful Studies class at Wilson High School in Portland, Ore. College students on some campuses are investigating meditation as well. (AP Photo/Gosia Wozniacka)
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In this Oct. 1, 2014 file photo, students meditate during Mindful Studies class at Wilson High School in Portland, Ore. College students on some campuses are investigating meditation as well. (AP Photo/Gosia Wozniacka)
