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Brain & Cognitive Health

Tennis Ball Drills for Reaction Time: A Practical Guide

May 1, 2026

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2 min read

Tennis Ball Drills for Reaction Time: A Practical Guide

Most people think reaction time is a sports skill. It's actually a longevity skill. And it starts declining in your 30s.

Brain & Cognitive Health

The Brain-Speed Connection: Why Training for Quickness Protects Cognition

Apr 14, 2026

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1 min read

The Brain-Speed Connection: Why Training for Quickness Protects Cognition

Most training programs for older adults overlook reaction speed entirely. The research suggests this is a significant omission.

Longevity Summaries is a research-based newsletter focused on strength, mobility, and long-term healthy aging.


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Disclaimer: This newsletter is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional before making health-related decisions. Use of this content is at your own risk.

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