Why the Body Protects the Brain First Why the Body Protects the Brain First — and Sacrifices the Rest One of the most overlooked principles in root-cause health is biological prioritization . The body does not treat all tissues equally. From an evolutionary and physiological standpoint, the brain is protected at all costs , even if that means sacrificing joints, skin, connective tissue, hormones, or digestion. This is not a theory. It is built-in survival biology. The Brain A