06 Jul 2023 --- A long-term US survey found that over 97% of individuals had at least one of 19 investigated health risk factors and the prevalence of these factors have changed over time. Using survey data from 28,279 adults over 20, researchers compared how the prevalence of risk factors in 1988-1994 changed in 1999-2014 and how these factors impacted mortality risk five years after these periods.