Fitness
Beginner-friendly fitness and exercise guides: how to start training, workout fundamentals, technique, and recovery for every level.
- How Much Exercise Do Adults Actually Need Each Week?The World Health Organization's evidence-based weekly activity targets for adults: how much aerobic exercise and strength training most adults need, and why even a little is worth it.Read the guide
- Why Cardiorespiratory Fitness May Be the Best Predictor of a Long LifeHow fit a person's heart and lungs are is one of the strongest predictors of how long they will live, and unlike genes, it is something that can be changed. Here is what the research shows and how to improve it.Read the guide
- How Much Training Is Needed to Build Muscle?How many sets per week actually build muscle, whether training to failure is necessary, and why more is not always better. A practical, evidence-based guide to training volume.Read the guide
- Working Out on an Empty Stomach: Fat Loss, Muscle, and What the Evidence SaysA calm, sourced explainer on fasted exercise: what training on an empty stomach means, where the energy comes from, whether it burns muscle, what the evidence actually shows about fasted cardio and fat loss, when eating first helps performance, and who should be cautious.Read the guide