“In 2001, one-half of all expenditures on prescription drugs were concentrated in 6.0% of the US population,” researchers wrote, “but by 2018, this proportion had decreased to 2.3%.”
“In 2001, one-half of all expenditures on prescription drugs were concentrated in 6.0% of the US population,” researchers wrote, “but by 2018, this proportion had decreased to 2.3%.”
“In 2001, one-half of all...