Chapter 15Fitness & Exercise

Is running bad for my knees?

No — long-term runners have lower rates of knee arthritis than sedentary people. What causes injury is doing too much too fast. Follow the 10% rule: don't increase weekly distance by more than 10%.

Follow-up questions

How to start running?

Walk-run intervals (Couch to 5K). Softer surfaces, decent shoes replaced every 500–800 km, and build gradually.

Barefoot or cushioned shoes?

Individual — no universal winner. Match to your body, distance, and terrain.

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