Hemoglobin A1c and the Elderly

Homeostasis is either the equilibrium itself or the process through which equilibrium is maintained between various chemical compositions and/or physiologic function in the body. Homeostasis is achieved by what engineers call “negative feedback loops” – sensors detect deviation and trigger corrective forces to bring the system back into equilibrium. There are thousands of such equilibria in the body, and the condition known as frailty in the elderly is thought to result from impaired homeostatic processes. (David Wesley, Vice President, Medical Research and Development)

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