Aches, Shoes and Your Body
Starting to run changes how your body feels. What's normal, what isn't, when to get something checked, and what to put on your feet.

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Shin Splints When You Start Running: Why They Happen and What Helps
That ache along the inside of your shin is one of the most common running injuries, and new runners get it most. What it usually is, when to see a doctor, what helps, and how to come back.
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Running Shoes for Beginners: How to Choose Your First Pair
You don't need the shoe with the most foam, a gait analysis or a big budget. What the research says about running shoes, how a pair should fit, and when it's worth buying one.

What Your Heart Rate Data Actually Means
Resting pulse, recovery rhythm, training readiness, recovery time — the pulse numbers your watch shows you, explained without jargon.