Many of my patients ask the question "Do people shrink when they get older?" Even more curiously, does our height vary throughout the day, and what causes it to change? The answer to the first question is "yes," and it's all because of our aging spine.  But how does this occur? Gravity Is Relentless... During the course of any given day, the discs of the spine (the shock-absorbing, sponge-like structures that lie between the vertebrae), absorb or lose water, leading to [...]