KEY POINTS
  • For the second year in a row, average life expectancy in the U.S. has dropped, according to the Centers for Disease Control and Prevention.
  • Several factors are responsible for the dip: opioid addiction, cardiovascular disease and lack of access to health care.

Medical advances are supposed to mean we all live longer.

In the U.S., however, the outlook isn't so clear. For the first time in 50 years, life expectancy dropped for the second year in a row.