Does Lifting Weights Keep Your Brain Young? What the Research Actually Shows
A 12-month randomized trial found real cognitive gains from resistance training in older women. Here is what that study, and the research since, actually shows.
Chris Pruitt
Chris Pruitt is a certified ASFA personal trainer and the founder of WorkoutHealthy, a fitness equipment retailer serving customers since 2007. He has more than 16 years in the fitness business, and he writes and fact checks everything published on Insider.
Arnold Schwarzenegger’s Famous Rep Quote: Fact, Myth, and the Real Line to Watch
Arnold Schwarzenegger's famous quote on a set's final reps is everywhere. Here is what we could verify, and the real difference between muscle burn and injury pain.
Edith Connor: The Guinness Record for Oldest Female Bodybuilder
Edith Connor became Guinness World Records' oldest competitive female bodybuilder in her seventies. Here is what a decade-long, later-in-life build actually requires.
DonnaJean Wilde’s Push-Up World Record: The Pacing Math Behind It
DonnaJean Wilde set a push-up world record at 59. Here is the real pacing strategy behind her 1,575 push-ups in one hour, verified by Guinness World Records.
Misty Copeland’s Hip Replacement Recovery: What It Actually Takes
Misty Copeland shared her hip replacement recovery online. Here is what her walker footage actually shows about how joint replacement rehab works, and what it does not mean.
Benefits of Having a Workout Partner: Five That Depend on Fit
A workout partner may help with accountability, encouragement, and routine. Use this evidence-based guide and two-minute fit check to find an arrangement that works.
How Many Calories Does Jump Rope Burn? Weight and Time Chart
Jump rope calorie estimates for 10, 30, and 60 active minutes by body weight. See the Compendium formula and why workout breaks change the total.
Why Am I Losing Weight and Muscle Mass: Key Causes and Effective Solutions
Nearly 40% of adults deal with unexpected weight loss and muscle loss at some point, and honestly, it can be pretty unsettling. When weight drops off without effort, especially if muscle mass goes along with it, it usually means there’s…
Is Standing Better Than Sitting? What Changes With Movement
Standing uses slightly more energy than sitting, but movement breaks make a bigger difference. Compare the evidence for energy, glucose, comfort, and long-term health.
How Many Miles Should I Walk a Day? A Guide by Pace and Time
There is no required daily walking mileage. Use your pace and available minutes to choose a realistic distance, and learn why steps do not convert to miles exactly.