Elderly and medications food drug reactions

The elderly can be a population in the public that is utilizing multiple medications at one time. In your own words, provide information from your textbook and one reliable outside source in relation to medications and the elderly. In addition, please include at least one food/drug interaction. Please list the book in the link below as one of the references****. http://www.amazon.com/Nutrition-Diet-Therapy-Self-Instructional-Approaches-ebook/dp/B007RFX1IY Please complete in APA format - 2 pages.