CNN
@CNN·19.2M subscribers·185.1K videos
How improving reaction time can save your life
Posted
July 31, 2026
Views
5,922
Likes
73
Comments
4
Engagement
1.30%
July 31, 2026
5,922
73
4
1.30%
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1:19Now PlayingHow can a tennis ball help you protect your brain and prevent falls as you age? Mobility coach Dana Santas teaches you one simple technique to improve your reaction time. It may even save you from injuries.
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