EDIT: citations
"Millions of adults skip medications due to their high cost Howard LeWine, M.D."
https://www.health.harvard.edu/blog/millions-skip-medication...
"Almost 1 in 10 Americans Can't Afford Medications Says CDC"
http://www.renalandurologynews.com/news/cdc-americans-can-no...
"Most Say They Can Afford Their Prescription Drugs, But One in Four Say Paying is Difficult, Including More Than Four in Ten People Who are Sick"
https://www.kff.org/health-costs/press-release/most-say-they...
"Even the Insured Often Can't Afford Their Medical Bills"
https://www.theatlantic.com/business/archive/2017/06/medical...