“Take a deep breath, and exhale. Depending on where you live, that life-giving lungful of air might just be pushing you towards diabetes and obesity.
“The idea that “thin air” can make you fat sounds ludicrous, yet some extremely puzzling studies appear to be showing that it’s possible.
“Two people can eat the same foods, and do the same exercise, but over the course of a few years, one may put on more weight and develop a faulty metabolism – thanks to the atmosphere around their home.
“How strong is the evidence from these studies, and should you be concerned?”
Read more at BBC