RT Journal Article SR Electronic T1 For better health, take a hike, plant a tree — and enjoy nature JF The Nation's Health JO Nations Health FD American Public Health Association SP 3 OP 3 VO 50 IS 5 A1 Lisa M. Carlson YR 2020 UL http://www.thenationshealth.org/content/50/5/3.1.abstract AB