Is Hard Training Bad for Your Long Term Health? The Science

Published at : 23 Dec 2025

We all know exercise is good for you, but can you have too much of a good thing? Can you exercise so much that it actually becomes detrimental for your long term health? Today I get to the bottom of this question as well as addressing health concerns around the recent trend of consuming large amounts of carbs while training and racing.

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Studies used in this video:

https://bjsm.bmj.com/content/54/20/1195.abstract

https://bjsm.bmj.com/content/49/13/893.short

https://pmc.ncbi.nlm.nih.gov/articles/PMC11264108/

https://www.ahajournals.org/doi/full/10.1161/CIRCULATIONAHA.118.039461

https://www.nejm.org/doi/full/10.1056/NEJMoa1106468

https://www.mdpi.com/2072-6643/12/7/2094

https://www.sciencedirect.com/science/article/abs/pii/S089990072300062X

https://jamanetwork.com/journals/jamainternalmedicine/fullarticle/1819573