Why Medication Dosages Change As We Age by AARP Prime Time Focus published on 2015-05-28T15:13:40Z As the amount of water in our bodies goes down as we age, meds we’ve taken for years may need to be evaluated. Alyne talks with geriatrician Mehrdad Ayati about his new book: Paths to Healthy Aging. For more tips visit www.aarp.org/radio. Image by Eric Danley. License: http://ow.ly/KAq9q Genre health