https://www.tortoisetime.com/learnPublished article titles, descriptions and links. Publication dates are omitted when no exact date is established.enhttps://www.tortoisetime.com/learn/sitting-rising-testhttps://www.tortoisetime.com/learn/sitting-rising-testThe sitting-rising test checks strength, balance and flexibility in one move. A 2025 study found it predicted survival over 12 years.https://www.tortoisetime.com/learn/ten-second-balance-testhttps://www.tortoisetime.com/learn/ten-second-balance-testA simple balance test turns out to say a lot about health after 50, and balance is one of the easiest abilities to train.https://www.tortoisetime.com/learn/cardiovascular-fitness-by-the-numbershttps://www.tortoisetime.com/learn/cardiovascular-fitness-by-the-numbersWhat large fitness studies, a walking trial and activity guidelines actually tell us about aerobic capacity.https://www.tortoisetime.com/learn/exercise-and-cancer-riskhttps://www.tortoisetime.com/learn/exercise-and-cancer-riskIn 1.44 million adults, the most active people had lower risk of 13 different cancers. Here’s the full list, and the two surprises.https://www.tortoisetime.com/learn/fitness-versus-weighthttps://www.tortoisetime.com/learn/fitness-versus-weightA 2024 review of nearly 400,000 people found that fitness predicted survival far better than body weight. Here’s what that means for you.https://www.tortoisetime.com/learn/fitness-and-strength-vital-signshttps://www.tortoisetime.com/learn/fitness-and-strength-vital-signsYour blood pressure gets checked at every visit. Two of the strongest signals of how well you will age usually do not. Here is what the research shows, in plain language.https://www.tortoisetime.com/learn/frailty-is-not-inevitablehttps://www.tortoisetime.com/learn/frailty-is-not-inevitableIn the SPRINTT trial, older adults with weak muscles who exercised regularly were less likely to lose the ability to walk. Here’s what the program looked like.https://www.tortoisetime.com/learn/grip-strength-window-into-ageinghttps://www.tortoisetime.com/learn/grip-strength-window-into-ageingWhy a simple squeeze test predicts so much, what the numbers mean, and what actually improves them.https://www.tortoisetime.com/learn/healthspan-not-just-lifespanhttps://www.tortoisetime.com/learn/healthspan-not-just-lifespanAmericans now spend an average of 12.4 years in poor health at the end of life. Five everyday habits are linked with a decade or more of extra healthy years.https://www.tortoisetime.com/learn/how-many-steps-a-dayhttps://www.tortoisetime.com/learn/how-many-steps-a-dayForget the magic 10,000. The largest study of step counts yet points to a friendlier target, and shows that every extra thousand steps helps.https://www.tortoisetime.com/learn/how-to-read-a-health-headlinehttps://www.tortoisetime.com/learn/how-to-read-a-health-headline“Walking cuts your risk of death in half!” Here is how to tell what a study really shows, using real examples from exercise science.https://www.tortoisetime.com/learn/never-too-late-never-too-shorthttps://www.tortoisetime.com/learn/never-too-late-never-too-shortStarted late? Only have a minute? Squeeze it all into the weekend? The latest research says all of it counts.https://www.tortoisetime.com/learn/protein-and-musclehttps://www.tortoisetime.com/learn/protein-and-muscleStrength training builds muscle, but muscle needs building blocks. Here’s how much protein the research suggests, and why it matters more as we age.https://www.tortoisetime.com/learn/strength-training-sweet-spothttps://www.tortoisetime.com/learn/strength-training-sweet-spotYou don’t need to live at the gym. Research suggests 30 to 60 minutes of muscle-strengthening a week brings most of the benefit, and it works at any age.https://www.tortoisetime.com/learn/walk-after-mealshttps://www.tortoisetime.com/learn/walk-after-mealsA few minutes of light walking after eating blunts the spike in blood sugar. It may be the easiest healthy habit there is.https://www.tortoisetime.com/learn/wall-sits-and-blood-pressurehttps://www.tortoisetime.com/learn/wall-sits-and-blood-pressureA review of 270 trials found that ‘holding still’ exercises like the wall sit lowered blood pressure more than any other type of exercise.https://www.tortoisetime.com/learn/vo2-max-explainedhttps://www.tortoisetime.com/learn/vo2-max-explainedWhat VO₂ max measures, why it is linked with longevity, and how ordinary walking can move it.