Also, there are lots of people that take dozens of pills a day, including (but not limited to) older folks with limited eyesight or memory. The visual cues are

Also, there are lots of people that take dozens of pills a day, including (but not limited to) older folks with limited eyesight or memory. The visual cues are essential. And there are databases for identifying pills, both legal: https://www.drugs.com/imprints.php https://www.drugs.com/imprints.php And illegal (ectasy in this case): https://www.pillreports.net/ https://www.pillreports.net/