It has been estimated that 3 out of 4 people report that they do not take their medications as directed, resulting in hundreds of billions of dollars annually in related medical costs and an enormous number of hospital admissions and readmissions.
The reasons for this are complex and varied. This is a particularly vexing challenge for young, chronically ill patients, for people with mental health diagnoses and for the elderly who may suffer from memory impairment. Anyone on a complicated drug regimen knows how committed one must be to remain adherent.
Drug Adherence Throwdown (PDF)