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Welltory vs Bevel: what each app measures, what it works with, and what it costs

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Google Fit vs Samsung Health: what each one tracks, what is changing in 2026, and which to use

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Health Connect app: what it is, how it differs from Google Fit, and how to connect your watch

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ME/CFS heart rate and HRV: why general norms don't fit and how to find your own normal

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How to track fibromyalgia flares with a smartwatch: sleep, heart rate, HRV and a pain diary your doctor can use

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PEM crash warning signs: early signals in your body and your watch data, and what to do about them

Energy-Limiting Conditions (ELC)

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Long COVID pacing with heart rate and HRV: how to find your limit and avoid a crash

Energy-Limiting Conditions (ELC)

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How to track POTS with a smartwatch: standing heart rate, alerts, HRV and a log your doctor can use

POTS & Dysautonomia

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Do we get an extra hour of sleep when the clocks fall back?

Circadian rhythm

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Supplements for skin and hair: what actually helps hair loss, acne, dry skin and eczema

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How long do supplements take to work? Realistic timelines for magnesium, vitamin D, iron, B12, creatine and more

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Vitamin B complex: what it does, who needs B12, and why B6 now comes with a warning