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Cycling and kayaking are great, but they don't deliver the repetitive impacts necessary to maintain high bone mineral density as we age. Have to add other sports to that mix.

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Wait, the impact is beneficial? I've been worrying about running out of cartilage in my knees throughout my life. I had considered running to be a limited time thing that will just run out at some point.

The impact is beneficial and running won't damage your knees, at least if you're at a healthy weight. But other sports such as weight training, rucking, or certain martial arts might be more beneficial than running from a bone mineral density standpoint.

https://peterattiamd.com/ama37/

https://www.health.harvard.edu/healthbeat/will-continuing-to...

Yes the impact is beneficial

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