I had seen it even before Instagram took hold. People, especially younger people, are shifting to a bimodal distribution where they are either extremely in-shap

I had seen it even before Instagram took hold. People, especially younger people, are shifting to a bimodal distribution where they are either extremely in-shape and enthusiastic about the gym lifestyle, or very out-of-shape. It seems the bell curve is flattening a bit. That's my personal observation from observing life in a couple of coastal cities in the US.