Why you get shorter as you age

The phenomenon of shrinking as we age is a common experience for many people. There are several reasons why this happens:

  1. Hormonal changes: As we age, our hormone levels change. The hormone that helps regulate growth and development, growth hormone, decreases with age. This decrease can lead to a slowdown in the production of new bone tissue, causing bones to shrink.
  2. Bone loss: As we age, our bones naturally lose density and mass due to a combination of factors, including:
    • Osteoporosis: A condition where bones become weak and brittle, leading to a loss of bone mass.
    • Bone remodeling: The process by which old bone tissue is replaced with new tissue. As we age, this process slows down, leading to a loss of bone density.
    • Inactivity: A sedentary lifestyle can contribute to bone loss, as bones are not being stimulated to produce new tissue.
  3. Spinal compression: As we age, the spinal discs that cushion the vertebrae can compress and shrink, causing the spine to become shorter.
  4. Muscle loss: As we age, we naturally lose muscle mass and tone, which can contribute to a decrease in overall height.
  5. Posture: Poor posture can also contribute to a perceived decrease in height. As we age, our posture can become less upright, making us appear shorter than we actually are.
  6. Genetics: Some people may be more prone to shrinking with age due to their genetic makeup.

On average, adults can expect to lose about 1-2 cm (0.4-0.8 in) in height per decade after the age of 40. This loss can be more pronounced in older adults, with some studies suggesting that people can lose up to 5 cm (2 in) or more in height by the age of 80.

It's worth noting that while shrinking is a natural part of aging, there are steps you can take to maintain your height and overall bone health, such as:

If you're concerned about your height or bone health, it's always a good idea to consult with a healthcare professional for personalized advice.