It's just before 7:20 a.m., and triathlete Sarah Reinertsen begins treading water in the warm Pacific Ocean. She is one of about 700 competitors at the starting line of the Ironman World Championship ...
Peripheral artery disease (PAD) and its severe form, chronic limb-threatening ischemia (CLTI), significantly impair blood flow to the lower extremities, affecting millions of adults globally.
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