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The article focuses on heart health (where on first look, I was expecting joint damage) so any high cardio exercise could lead to this, if taken to an extreme. Running probably engages this more easily since it works the whole body for longer periods.

Biking is my personal go-to exercise but it's not without its risks from traffic, pollution, or in the winter, black ice. Still, it's otherwise nonproductive commute time being made very useful.




> black ice

It doesn't get below freezing where I live so I haven't had to contend with this personally, but when my friend lived in Boston and cycled throughout the winter, he got the Finnish studded snow tires for his bike:

http://www.icebike.org/the-ultimate-guide-to-winter-bike-tir...

He said it made him feel a lot safer. (That page mentions a concern that there are failure cases related to inappropriate tire pressure that may reduce traction compared to regular tires, but it seems like they normally increase traction by a huge amount.)




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