Withdrawal from opioids such as oxycodone causes physical symptoms similar to the flu. Withdrawal also causes psychological symptoms whose demoralizing affects can be just as overpowering as the physical symptoms of withdrawal.
A director is a person from a group of managers who leads or supervises a particular area of a company, program, or project. Companies that use this term often have many directors spread throughout different business functions or roles (e.g. director of human resources).
Officers may serve on the board of directors or they may be non-board members who play an active role in the day-to-day management of the nonprofit. For example, the person appointed president could serve as the executive director of the nonprofit in a paid staff position and be in charge of running the organization.