Adherence to (compliance with) drug treatment is important. However, only about half the people who leave a doctor's office with a prescription take the drug as directed. Among the many reasons people give for not adhering to drug treatment, forgetfulness is the most common.
Definition of periodical. 1  1 : periodic 1. 2  2a : published with a fixed interval between the issues or numbersb : published in, characteristic of, or connected with a periodical.
Dear Nancy, Actually, you donât usually need to cite a whole issue of a periodical. For readers unfamiliar with the term, a periodical is any publication that is released at regular intervals, or âperiodsââtypically, journals, magazines, and newspapers.