Ashwagandha Improves Hormones and Vitality in Aging Men

Dr. Kumar’s Take

This study adds scientific support to a traditional herb. Ashwagandha root extract increased testosterone and DHEA-S in aging, overweight men while also improving measures of vitality. For men struggling with low energy and declining hormones, this offers an evidence-based natural option worth considering.

Key Takeaways

✔ Ashwagandha raised testosterone and DHEA-S levels in aging men.
✔ Markers of vitality and well-being improved with supplementation.
✔ The extract was safe and well tolerated, with no major side effects.
✔ Suggests a role for ashwagandha in supporting hormonal health as men age.

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How Testosterone Therapy Improves Muscle Mass and Strength: Meta-Analysis Insights

Dr. Kumar’s Take

This meta-analysis makes it clear that testosterone therapy is not just about libido or energy. The consistent finding is that testosterone increases lean body mass and improves strength. That matters for men with hypogonadism, older adults with sarcopenia, and anyone concerned about frailty as they age. The dose, duration, and patient selection still matter, but the biological signal is strong: testosterone supports muscle health.

Key Takeaways

✔ Testosterone therapy consistently increased lean body mass in men.
✔ Strength gains were present but varied depending on the muscle group tested.
✔ The effect size was moderate, supporting clinical benefit in hypogonadal men.
✔ Longer treatment durations showed greater improvements.

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Vitamin D Through the Centuries: A Journey from Rickets to Hormonal Regulation

Dr. Kumar’s Take:

This fascinating historical review charts vitamin D’s evolution from a mysterious cure for rickets to a key hormone regulator impacting everything from bone health to immune function. It reminds us how a nutrient identified through a public health crisis has become central to modern physiology. With widespread subclinical deficiency still common today, we must remember how sunlight and nutrition interplay—and why fortification, sensible sun exposure, and targeted supplementation remain relevant.

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