>> “...the lifespan of the average American has increased by more than 10 years.” <<
.
It has done nothing of the kind.
Then post the charts proving otherwise.
You’ll have as hard a time doing that as you will to find a connection between vaccinations and autism, now that the autism data faker has admitted his fakery in court.
Life spans have increased so much in recent years that life insurance companies have been forced to update all of their actuarial tables to reflect the new, lower, costs associated with mortality.