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Can Exercise Do More Harm Than Good? Mini-Heart Research Uncovers New Answers

Can Exercise Do More Harm Than Good? Mini-Heart Research Uncovers New Answers
Heart Disease
Summary

While exercise is widely promoted as medicine, new research suggests that excessive physical activity may potentially harm cardiovascular health. Scientists developing the Micro-Athlete mini-heart—a heart-on-a-chip technology that mimics human cardiac function—are gaining valuable insights into how extreme endurance activities like marathons and Ironman triathlons affect the heart. This breakthrough research challenges the "more is better" mentality surrounding exercise and helps researchers understand the complex relationship between intense physical training and cardiovascular disease risk.

Medical Xpress

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Fetched: September 30, 2026 at 10:01 AM

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