disability-adjusted life years
a measure of the burden of disease on a defined population, usually that of an entire nation, based on adjustment of life expectancy that allows for long-term disability as estimated from official national statistics; DALYs have been extensively used by the World Health Organization to arrive at rankings of nations according to average national levels of health.
[Developed c.1990 by C.L. Murray and A. Lopez for the Harvard University/WHO Global Burden of Disease study.]
Search Stedman's Medical Dictionary
Examples: glitazone, GI cocktail, etc.