The degree to which a method or medicine brings about a specific result is its efficacy. You might not like to eat it, but you can't question the efficacy of broccoli as a health benefit.
Power to produce effects; operation or energy of an agent or force; production of the effect intended;
Noun
capacity or power to produce a desired effect; "concern about the safety and efficacy of the vaccine"
n.
Power to produce effects; operation or energy of an agent
or force; production of the effect intended; as, the efficacy of
medicine in counteracting disease; the efficacy of prayer.
Efficacy
Power to produce effects; operation or energy of an agent or force; production of the effect intended;
Usage Examples
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