Anxiety
More than 11% of adults age 55 years and older suffer from anxiety disorders according to the US Department of Health and Human Services Mental Health, A report of the surgeon general.
Anxiety and depression go hand in hand with almost half of the older adults who are diagnosed with a major depression also meeting the criteria for anxiety (see http://www.chronicdisease.org/files/public/IssueBrief_TheStateofMentalHealthandAginginAmerica.pdf or http://tinyurl.com/5tbc9b)