My uncle chain smoked and lived till 90, but I wont argue that smoking extends life. One example does not prove a case. There are a hundred variables. Sometime

My uncle chain smoked and lived till 90, but I wont argue that smoking extends life. One example does not prove a case. There are a hundred variables. Sometimes poor people get lucky. Some are pretty and have doors opened to them. Some truly are exceptional. And many are unlucky.