RT Journal Article SR Electronic T1 US life expectancy still lags behind, despite small increase: Overall expectancy 78.7 years in 2018 JF The Nation's Health JO Nations Health FD American Public Health Association SP 1 OP 15 VO 50 IS 2 A1 Aaron Warnick YR 2020 UL http://www.thenationshealth.org/content/50/2/1.1.abstract AB