At long last, a simple and effective way to overanalyze your body type compared to others around you. The folks over at the BBC put their heads together and came up with something they’re very sensitively referring to as “The Global Fat Scale.” You enter your weight, age and gender, and it will tell you where your BMI sits in relation to everyone else’s, both nationally and globally. We joke, but it’s pretty interesting. And the margin for error? Slim …