There’s a law of unintended consequences when it comes to life. Sometimes, when you try to do the right thing, something bad happens and usually you’re blindsided by it.Kingsport leaders got a lesson in this law recently when two well-spoken seniors attended a Board of Mayor and Aldermen work session to tell them a story about how the Lynn View Community Center — a satellite location of the Kingsport Senior Center — has helped change their health and lives for the better.After having gastric bypass surgery, Peggy Dougherty, who weighed 260 pounds more than a year ago, began exercising in the small gym at Lynn View.