Running is hard on joints. Every stride sends two to three times your body weight through your knees, ankles, and hips. Over weeks and months of training, that repetitive load triggers low-grade inflammation, the kind that shows up as morning stiffness, achy knees after a long run, or joints that take longer to warm up than they used to. Most runners address this with ice baths, foam rolling, or rest days. Those help. But what you eat before, during, and after a run plays an equally large role in how...
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