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Is Running A Marathon Healthy A Group Of - Healthy? Researchers

Video by @dw.science (DW Science) • Aug 07, 2026 • Verified Download Ready
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Video Title / CaptionIs running a marathon healthy? A group of researchers and frequent runners scanned their brains before and after running a marathon. Surprisingly the levels of white matter in the brain were significantly lower after the race. This suggests that the body uses the fatty substance as fuel to hit the finish line. So why does this matter? The white matter of the brain mainly consists of myelin, which coats the neurons and acts like an insulator. This helps to speed up the communication between the neurons. Without this insulation a pain signal takes much longer to reach its destination. And this is affecting the sensory and motor control of the body. But the good news is, the used-up myelin will be quickly replenished. And to regularly trigger this repair process could have a positive long-term effect for brain and body health. Author: Julia Lazarus #STEMTok #sciencetok #Science #LearnOnTikTok #dwscience #dwhealth #strava
TikTok Creator@dw.science (DW Science)
Audio Track Name🎵 original sound - dw.science
Total Plays2,423 views
Total Likes❤️ 107 likes
Total Shares🔁 14 shares

Check out the video for Is Running A Marathon Healthy A Group Of posted by creator @dw.science (DW Science). This video has reached over 2,423 views, 107 likes, and 14 shares on TikTok.

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Is running a marathon healthy? A group of researchers and frequent runners scanned their brains before and after running a marathon. Surprisingly the levels of white matter in the brain were significantly lower after the race. This suggests that the body uses the fatty substance as fuel to hit the finish line. So why does this matter? The white matter of the brain mainly consists of myelin, which coats the neurons and acts like an insulator. This helps to speed up the communication between the neurons. Without this insulation a pain signal takes much longer to reach its destination. And this is affecting the sensory and motor control of the body. But the good news is, the used-up myelin will be quickly replenished. And to regularly trigger this repair process could have a positive long-term effect for brain and body health. Author: Julia Lazarus #STEMTok #sciencetok #Science #LearnOnTikTok #dwscience #dwhealth #strava

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