Simon Says, MD podcast

Simon Says, M.D. - Does jogging make you shorter over time?

18/10/2025
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No, jogging does not make you shorter over time. In fact, regular jogging and exercise are generally beneficial for bone and joint health. However, there are a few nuances that might explain where this myth comes from:

  • After a run or a long day of standing, people can measure up to 1–2 cm shorter due to spinal compression.

  • The intervertebral discs lose some fluid and slightly compress from impact and gravity.

  • This is temporary — height returns after lying down or sleeping overnight when the spine rehydrates and decompresses.

  • Very intense, high-impact training without proper rest or nutrition can increase risk of disc degeneration or stress fractures over many years — but this is rare and preventable.

  • Strength training and stretching help counterbalance the compressive forces of running.

  • Height loss with age is mostly due to disc thinning, muscle weakness, and posture changes, not jogging itself.

  • In fact, moderate jogging helps maintain bone density, posture, and core strength, which protect against height loss.

Bottom line: Jogging does not make you shorter. It’s one of the best activities for maintaining long-term height, posture, and bone strength — as long as it’s paired with rest, hydration, and stretching.

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