Quotes About Biological determinants

Why did basic scientists think one way about obesity and practicing clinicians another? Why did we disregard decades of research into the biological determinants of body weight when treating patients? And why were we using an approach to weight loss based on a "calories in, calories out" model that hadn't changed since the late 1800s, when bloodletting was still in vogue?

For what we think and feel and are is to a great extent determined by the state of our ductless glands and our viscera.