Mark Hyman: Why are T levels in young men declining?

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Peer-Reviewed Research
M
Mark Hyman

Video Summary · April 2, 2026

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Key Takeaways

  • Get tested if curious about your T levels.
  • Maintain a healthy weight – obesity is a key factor in declining T levels.
  • Eat a well-rounded diet – nutrition directly impacts hormone production.
  • Exercise regularly – physical activity boosts testosterone.
  • Prioritize sleep – poor sleep disrupts hormone balance.

Bottom Line

Test your levels if concerned, then focus on foundational health: weight management, nutrition, exercise, and sleep to combat declining testosterone.

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Medical Disclaimer

This article is for informational purposes only and does not constitute medical advice. The research summaries presented here are based on published studies and should not be used as a substitute for professional medical consultation. Always consult a qualified healthcare provider before making any changes to your health regimen.

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