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Person using a body composition scale
  • by Ben Liley

Visceral Fat Scores: Why 13+ Needs Context in the UK

A visceral fat scale gives an estimate, not a diagnosis. Learn how UK waist guidance and consistent readings track trends, and when to seek clinical advice.

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Tester checks tracker beside its carton
  • by Ben Liley

Battery Life: UK Fitness Tracker Tests vs. Box Claims

See how fitness tracker battery life varies by device, what UK reviewer tests reveal beyond box claims, and how GPS and screen use affect charging.

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Participant wearing ECG leads and wrist sensor
  • by Ben Liley

Researchers: PPG vs ECG: AF 95.6% Sensitivity, Report Data Loss

Research first comparison of PPG and ECG for researchers and clinicians. Includes AF sensitivity 95.6%, data loss rates, SQA methods and a reporting...

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Woman measuring waist beside bathroom scale
  • by Ben Liley

UK: Measure and Improve Metabolic Age in 2–3 Months With NHS Guidance

Learn what metabolic age measures, why consistent method matters, and how to track real change using NHS guidance and a 2–3 month plan.

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Woman performing resistance training in gym
  • by Ben Liley

Fat Loss vs Weight Loss: Lose 0.5–1 kg per Week While Keeping Muscle

Choose fat loss over raw weight loss. Follow evidence-backed resistance training, spread protein and a ~500 kcal deficit to lose 0.5–1 kg/week and...

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Runner measuring heart rate after exercise
  • by Ben Liley

One Minute 18 bpm Test for Heart Rate Recovery and UK Tracking

Learn to measure heart rate recovery reliably in the UK. Use the one minute 18 bpm benchmark, repeat tests, and track trends free with Voltra.

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