Tag Archives: evidence

More Evidence Pot May Damage the Teen Brain

Print this page MONDAY, Jan. 14, 2019 — Smoking just a couple of joints may cause significant changes in a teenager’s brain structure, a new study has found. Brain scans show that some adolescents who’ve tried marijuana just a couple of times exhibit significant increases in the volume of their gray matter. These changes were… Read More »

First direct evidence that later school day really does help teenagers

Teenagers benefit from a late startCaiaimage/Sam Edwards/Getty By Alice Klein Pushing back high school start times not only improves the quality of students’ sleep, it also boosts attendance and academic performance, according to a study of US school attenders. The study is the first to show this objectively – using wrist-worn activity monitors to measure sleep… Read More »