Pretty Unhealthy: Why our obsession with looking healthy is making us sickA heart surgeon and TV star investigates why our health is declining despite our obsession with fitspiration and the image of health. How have we messed up our relationship with food and exercise so badly? Despite an explosion in the number of gyms, health foods and activewear, we are more obese, less active, more stressed than ever before. We obsess over looking healthy, but our health is getting worse. Why did we start equating beauty with health?