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hustle.run.thrive. blog — heart rate variability changes with age

Heart Rate Variability: What It Is, What Affects It, and Why Your Watch Might Be Stressing You Out

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Learn how heart rate variability (HRV) really works, what affects it beyond training load, and why smartwatches often mislead masters and menopausal athletes. Understand HRV variables, how to interpret trends, and how this metric fits into your overall training context.

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Why Heart Rate Feels Unhinged in Cold Weather for Masters and Menopausal Athletes

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Cold weather, aging, and hormonal shifts can make heart rate data feel unreliable. Learn why heart rate rises in winter for masters and menopausal athletes and how to train smarter using effort, fueling, and context instead of panic.

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