Helping people to help themselves, Daniel Simmons, principal human factors consultant, CCD, reveals the role of human factors in medical adherence and how patients use their senses and make sense of things.

Ensuring patients take their medications at the right time, in the right quantities is a key challenge for device designers and manufacturers. Adherence levels remain stubbornly static at, on average, around 75%, and in some circumstances can fall as low as 25%.