I got results when trying to improve my athletic performance, but it took time, dedication, and a lot of patience with macro logging. If you buy something from a Verge link, Vox Media may earn a ...

It’s been two years since the pocket-sized Lumen metabolic analyzer launched with a thoughtful iOS app and Apple Health integration. Over the last month, I’ve been using the device again to test out ...

If you like to use your iPhone and Apple Watch as part of your health and fitness journey, odds are good you value all the data they can offer. While that can include ways to track calories burned and ...

Weight loss and health products are often tied to unfounded hype. Lumen, a high-tech solution to help manage your body’s ability to control weight and nutritional awareness, puts the science backing ...