Retirement may be detrimental to your health according to a study conducted in the United Kingdom. The researchers found that "retirement has a detrimental impact on both mental and physical health over time."

It is possible that health, both mental and physical, deteriorates due to reduced physical activity and social interaction.

The 52 page report is linked here

http://www.iea.org.uk/publications/research/work-longer-live-healthier-the-relationship-between-economic-activity-health-a

A short BBC article is linked here

http://www.bbc.co.uk/news/business-22550536