Wellness devices are tools designed to help you track, monitor, or improve different aspects of your health—from fitness watches that count your steps to scales that measure body composition, sleep trackers, and devices that monitor heart rate or blood pressure. People use these tools to understand their daily habits, set health goals, and see whether changes they're making are working. This guide covers what these devices do, how they work, and what to consider when deciding if one might be useful for you.
The articles here answer practical questions like how different devices measure what they measure, what accuracy you can realistically expect, which devices work best for specific goals, and how to choose one that fits your needs and budget. You'll also find information about how to use device data meaningfully and what the limitations are—because no device replaces talking with a doctor about your health.