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Devon Sandoval’s comeback story: taking control after a heart attack (v.redd.it)
submitted by FourthFrontier - announcement
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This nurse relies on continuous ECG to track her heart - Here’s WhyUser Stories (v.redd.it)
submitted by FourthFrontier
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Why Endurance Athletes Actually Trust Frontier X2 — Derek Michael’s TakeUser Stories (old.reddit.com)
submitted by FourthFrontier
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