03/25/2012 11:05 am ET

Fast-Food Chains With The Most Unhealthy Customers: 24/7 Wall St.

While most Americans are happy with their family, friends and home life, more than one in five Americans are unhappy with their health. According to a new survey conducted by consumer-focused information site BIGinsight, those who frequent certain fast-food restaurants are even less happy with their health than the average American. 24/7 Wall St. examined the results of the survey to identify the fast-food chains with the most-unhealthy customers.

Read more on 24/7 Wall St.