What is the top cause of accelerated aging? Bad habits such as smoking and excessive drinking are often the first thing that comes to mind. However, perhaps surprisingly, scientists have recently found that the leading culprit behind aging is a poor psychological state. 
A Prime Culprit of Aging: Negative Psychological State
A joint experiment conducted by American and Hong Kong researchers has examined the effects of various factors on people’s biological age with data from 11,914 adults in the China Health and Retirement Longitudinal Study (CHARLS) database. The data include participants’ blood tests, living conditions, psychological status, disease history, and more….