Don't-Miss Health and Fitness Stories

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Vi AI Personal Trainer review: Heart rate-tracking Bluetooth earbuds with serious potential

These $250 Bluetooth earphones pack in a heart rate sensor, voice-coaching, and gorgeous Harman/Kardon sound in one lightweight package. But they're hindered by an ultra-narrow focus on one type of exercise.

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Fitbit Alta HR review: The best fitness tracker for most people

Powerful sleep-tracking, 7-day battery life, and a heart rate sensor make Fitbit's latest fitness band practically perfect.

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Moov HR Sweat review: This heart rate-tracking headband will kick your butt

The device has a built-in heart rate sensor and a voice coach to push your workouts into overdrive.

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Withings Steel HR review: A hybrid smartwatch with heart

Withings took its classic stainless steel watch and added an optical heart rate sensor and a digital display.

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Frederique Constant smartwatch review: Good looks but no brains

Frederique Constant's gorgeous Swiss smartwatch tracks activity and sends you notifications, but its intelligence is more annoying than useful.

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Fitbit Flex 2 review: Swim-tracking boosts this basic fitness band

Fitbit's $100 Flex 2 is a solid, water-resistant upgrade from the first-gen Flex, but its automatic exercise-tracking needs some work.

Fitbit Flex 2 review

Fitbit's newest wearable is ideal for fashionistas and swimmers.

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Apple Watch Series 2 review: A faster, brighter fitness machine

Apple's second-generation watch doubles down on fitness with GPS, water-resistance, a dual-core processor, and super-bright display.

Fitbit Charge 2 review

The top three reasons why Charge 2 is Fitbit’s best activity tracker yet.

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Fitbit Charge 2 review: A worthy upgrade elevates the fitness-tracking essentials

Fitbit's latest activity tracker combines the best of its Charge HR and Alta fitness bands at an affordable price.

Fitbit Charge 2 review: This activity tracker goes the extra mile

With notifications, deep breathing, sleep tracking, and heart rate monitoring, the Charge 2 has everything you could want in a tracker.

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StepsApp review: A gorgeous way to visualize Apple Health data

A visually rich pedometer and step counting app with support for Apple Health, Today widget, and Apple Watch.

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Spire review: Keep calm and carry on with this beautiful breath-tracking device

An overhauled iOS app breathes new life into Spire, but it's still pretty pricey.