Fitness

A 2025 study tracked people wearing wrist accelerometers through their ordinary days — no gym, no planned workouts, just whatever

Zone 2 became fitness’s favorite idea somewhere around 2022. Podcasts described it as the intensity that builds mitochondria, burns fat,

In a meta-analysis covering 2.2 million participants, the least fit group carried a hazard ratio of 4.09 for all-cause mortality.

A hand dynamometer costs about twenty dollars and takes five seconds to use. In some research, the number it produces

The lactic acid explanation for post-workout soreness has been wrong since the 1980s. It’s still what most people believe, and

How many steps a day do you actually need? The 10,000-step target has been treated as settled science for decades

The first few months of strength training feel almost too easy — weights go up nearly every session, muscles firm

How much exercise do you need to actually see health benefits? “You should exercise more” is easy advice to give

Static vs dynamic stretching is a common source of confusion — many people default to the same slow, held stretches

Rest days and recovery often feel like the opposite of progress — like time you’re not spending working toward your