Polypharmacy is a common concern, especially in the elderly.  List the definitions of polypharmacy you encounter in your assigned reading. Include an additional reference from an evidence based practice journal article or national guideline.  Discuss three risk factors that can lead to polypharmacy. Explain the rationale for why each listed item is a risk factor. Risk factors are different than adverse drug reactions. ADRs can be a result of polypharmacy, and is important, but ADRs are not...