Some fitness trackers may detect signs of heart disease, sleep problems, and chronic stress. However, there are limitations and risks to consider.

Richard Heys is deputy chief economist in the Office for National Statistics, Newport, UK. For decades, economists have known that using gross domestic product (GDP) alone to guide policy is ...

Landon walked into my 10th-grade classroom holding his mother’s hand tightly. He was anxious about his score on the English Language Arts state test. A year ago, Landon’s score was in one of the ...

Placebo effects are real, powerful, and deeply human, as I've discussed in my previous article. But a thorny question remains: How can we tell whether a depression treatment is producing genuine ...

Pennsylvanians woke up to a blanket of snow, a winter storm that was forecast throughout the week. But how can you measure exactly how much snow fell in your neighborhood? The National Weather Service ...

Marketing analytics revolves around data – data related to consumer behavior, competitive context, channel performance, campaign outcomes, and market trends. Measurement in marketing, on the other ...

How old are you, really? People are flocking to so-called longevity clinics and buying tests online to find out their “biological age”—a metric that some scientists say could reveal how healthy a ...

The ability to move with speed, precision and power is important for longevity. Here’s how to gauge it and how to improve. By Hilary Achauer If you want to age well, you are probably familiar with the ...

Experts say gait speed, grip strength, balance, and endurance are some of the strongest predictors of long-term independence. Here’s how to check them yourself—and what the results mean. Balancing on ...

Picture this: You've spotted a gorgeous set of refurbished carbon fiber wheels on Facebook Marketplace and thought "these will definitely fit my car," only to later learn the bolt pattern is not ...

The 2025 recommendations, released last summer, reaffirm 130/80 mm Hg as the threshold for diagnosing hypertensionand emphasize the importance of accurate measurement.In the previous guidelines, ...