When was the last time you thought about your vehicle's often overlooked parts, like the O2 sensor? The truth is that the O2 sensor serves a very important purpose and it can go bad, which means you ...

Need a new TENS unit or buying your first one? Read our recommendations and discover our pick for the best TENS unit for home ...

VO2 max measures the maximum amount of oxygen your body can use during exercise. It’s become one of the buzziest fitness metrics on social media, with influencers and wearable devices touting it as a ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. The Pace Pro watch has ...

We reviewed the best wireless TENS units to find the models we’d recommend—here’s how to choose the right one for you If you asked us months ago about the best wireless TENS unit, we’d have had more ...

Our favorites were All American and Presto.

Meta has revived an internal smartwatch project called Malibu 2, targeting a debut later in 2026 with built-in health ...

The newly approved over-the-counter CGM offers a new approach to tackling childhood obesity but also raises a host of ...

NASA and China's national space agency plan to send crewed missions to Mars in the coming decades. Per NASA's Moon to Mars ...

Dr H joins a growing group of brands trying to make health management more personal, wearable, and actionable.

Fitness-focused buyers may lean towards Garmin, while those looking for rugged design or budget-friendly features can consider Amazfit ...

We look at power, speed, calories, recovery, fuelling and more to compare a Tour de France rider's efforts to those of an everyday cyclist ...