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A comprehensive review of the Amazfit Helio Strap—the screenless fitness-tracking rival to the Whoop 5.0. Here's our verdict ...

If you want to get healthy, a fitness tracker can help. At PCMag, we put them through rigorous testing to see which ones are up to the challenge. Here's how we do it.

Wearable devices in healthcare revolutionize fitness with heart-rate monitoring, calorie tracking, and sleep insights.

Medically reviewed by Simone Harounian, MS Achieving a calorie deficit means burning more calories than you consume for weight loss.You can reach a calorie deficit by reducing calorie intake, ...

Offering up to a week’s worth of power in a single charge and an easy-to-navigate interface, the FitBit Charge 6 is a great ...

The Global Fitness Tracker Market Size is projected to grow at a CAGR of 17.50% from 2026 to 2032, according to a new report ...

Keith Ayoob answers the question: 'What are Calories, Why Do They Matter?' February 1, 2009 -- Question: What is a calorie and why is it important to know how many calories there are in certain foods?