This article was reviewed by Darragh O’Carroll, MD. Understanding Blood Tests: How They Work and What They Can Tell You Blood ...

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Dr. Peter Attia says longevity is about living longer and improving your quality of life — and intense exercise is part of the way to achieve it. Here's how to test your own fitness level.

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Use a watch and see how far you can run in 12 minutes on a flat surface (ideally, a track), maintaining as steady a pace as ...

Chest pain may still be angina even when coronary angiogram testing shows the main heart arteries look clear. Using stress ...

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The Apple Watch SE 3 does nearly everything the Series 11 does, yet it costs $150 less. It’s also the best entry-level watch I’ve tested. Here’s why.