--- title: Why Strength Training Is the Best Anti-Ager description: Strength training isn't just for bodybuilders. It's one of the most effective ways to shore up your bones and push back against aging. canonical: https://time.com/7323121/strength-training-exercises-aging-health-benefits/ author: Lauryn Higgins article:opinion: false article:content_tier: free article:published_time: 2025-10-06T17:01:23.000Z article:modified_time: 2025-12-01T19:42:59.000Z article:section: Health og:title: Why Strength Training Is the Best Anti-Ager og:description: “Every time you do a squat, a pushup, or pick up a weight, you’re putting gentle stress on your skeleton." og:url: https://time.com/7323121/strength-training-exercises-aging-health-benefits/ og:site_name: TIME og:image: https://static.time.com/v3/assets/bltea6093859af6183b/blta87f61fd2d1ef2c3/6998ca737323af527c2bceae/Why-Strength-Training-Is-Non-Negotiable-as-You-Age.png?branch=production&width=1200&quality=75&auto=webp&crop=16:9 og:image:width: 2400 og:image:height: 1350 og:image:alt: Why Strength Training Is Non-Negotiable as You Age og:type: article twitter:card: summary_large_image twitter:title: Why Strength Training Is the Best Anti-Ager twitter:description: “Every time you do a squat, a pushup, or pick up a weight, you’re putting gentle stress on your skeleton." twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/blta87f61fd2d1ef2c3/6998ca737323af527c2bceae/Why-Strength-Training-Is-Non-Negotiable-as-You-Age.png?branch=production&width=1200&quality=75&auto=webp&crop=16:9 ---  # Why Strength Training Is the Best Anti-Ager > Sponsored content. 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Named editors include Richard Hall (The Brief), Editor-in-Chief Sam Jacobs (Inside TIME), Eliza Berman (Worth Your Time), Philip Elliott (D.C. Brief), Justin Worland (Future Proof) and Harry Booth (In the Loop). Health Matters is written by TIME's health desk. #### How do I sign up for a TIME newsletter? Go to time.com/newsletters, choose the newsletters you want and enter your email address. There is no cost and no subscription requirement. by [Lauryn Higgins](https://time.com/author/lauryn-higgins/) ## Lauryn Higgins Updated: Dec 1, 2025 7:42 PM UTCPublished: Oct 6, 2025 5:01 PM UTC  Photo-Illustration by Chloe Dowling for TIME (Source Image: artpartner-images/Getty Images) by [Lauryn Higgins](https://time.com/author/lauryn-higgins/) ## Lauryn Higgins Updated: Dec 1, 2025 7:42 PM UTCPublished: Oct 6, 2025 5:01 PM UTC If you want to age well, you probably already know the basics: eat a balanced diet, go for walks, stay socially engaged. But there’s one habit that experts say matters just as much—and in some cases, more—for long-term health: strength training. For decades, weightlifting was viewed as the domain of bodybuilders, powerlifters, or young athletes. But research over the past 20 years has flipped that assumption. Lifting weights—or using your own bodyweight against resistance—turns out to be one of the most powerful tools we have for protecting health as the decades pass. It’s not about chasing bigger biceps or a six-pack. It’s about reinforcing bones, keeping metabolism humming, preventing falls, and even lowering the risk of chronic disease. ## Stronger bones mean fewer breaks Bones may feel solid, but they’re surprisingly dynamic. They respond to the stresses you put on them, getting stronger when they’re challenged and weaker when they’re not. “Every time you do a squat, a pushup, or pick up a weight, you’re putting gentle stress on your skeleton,” says Kristen Lettenberger, a physical therapist in New York and medical advisor to the urinary-incontinence company Uresta. She explains that pressure acts like a signal to your body to reinforce the bone, activating the cells that build new bone tissue. Over time, bone density increases and its structure gets stronger. Bone density [naturally peaks in our 20s](https://orthoinfo.aaos.org/en/staying-healthy/healthy-bones-at-every-age/) and starts to decline by our 30s, and that decline is slow at first but accelerates as hormones shift. “While bone loss impacts both men and women, menopause or any decrease in estrogen such as early postpartum accelerates the decline,” says Lettenberger. “The drop in estrogen decreases bone density, causing bone loss, and increases the risk of osteoporosis and fractures.” **Read More**: [_9 Doctor-Approved Ways to Use ChatGPT for Health Advice_](https://time.com/7321821/chatgpt-ai-how-to-use-for-health-safely/) For women in particular, strength training can be one of the most effective ways to push back against those changes. Dr. Rahul Shah, an orthopedic spine surgeon at Premier Orthopaedic Associates in New Jersey, emphasized that this isn’t just a theory—it’s been observed for more than a century. “By loading the joints and bones with increased load and progressive overload, the cells within the bones respond to the stress,” he says. Known as Wolff's Law, described by the orthopedic surgeon Dr. Julius Wolff in 19th-century Germany, the bone tissue adapts and remodels to increasing stress. “This becomes a good counterweight to the natural changes that occur as we age,” says Shah. ## Muscle is your metabolic engine The benefits of strength training don’t stop with bones. Muscle itself is metabolically active tissue, meaning it burns calories even when you’re sitting still. Think of it as the body’s built-in engine, quietly humming along to keep your metabolism running. “Muscles are thermogenic by nature,” says Lettenberger. “They burn more calories at rest.” Compared with fat, muscle is far more efficient at burning energy both at rest and during activity. That efficiency translates into a higher basal metabolic rate (BMR)—the body’s calorie-burn even when you’re not moving. Dr. Lauren Borowski, a sports-medicine physician at the Center for Women's Sports Medicine at NYU Langone Health, adds that as we age, we lose both bone density and muscle mass. **Read More**: [_What Happens to the Plastic in Dishwasher Pods?_](https://time.com/7320935/dishwasher-pods-plastic/) “Most people know about osteoporosis and the loss of bone density, but they may not realize there is an actual loss of lean muscle mass called sarcopenia that begins happening at around 40 years old,” she says. Clinicians see the impact of this firsthand. According to Borowski and Lettenberger, patients with more lean muscle tend to have better insulin sensitivity and glucose metabolism, which in turn reduces their risk for metabolic syndrome and diabetes. In other words, maintaining muscle isn’t just about looking strong—it’s a safeguard for long-term health. But here’s the challenge: muscle mass doesn’t stay constant. Beginning in your 30s, the average person [loses about 3-8% of muscle each decade](https://pmc.ncbi.nlm.nih.gov/articles/PMC2804956/). That decline doesn’t just reduce strength—it slows the metabolism, making weight gain more likely even if eating habits haven’t changed since young adulthood. ## The key to balance and independence For older adults, one of the greatest fears isn’t just disease—it’s falling. A single fall can trigger a cascade of health challenges, from broken bones to lost confidence in moving freely. The statistics are sobering: falls are the leading cause of injury-related ER visits for people over 65. Strength training helps change that equation. “Falls often happen when strength and stability (Proprioception) give way,” says Lettenberger. “Resistance training, more specifically single leg exercises, build the muscles and proprioceptive cues that support posture and movement, in the legs, hips, and core.” **Read More**: [_How to Keep Your Heart Healthy in Your 20s, 30s, 40s, and Beyond_](https://time.com/7316703/heart-health-at-every-decade/) Tom Connolly, a personal trainer at Oak Park Tennis and Fitness Centre in Illinois, explains that balance is about more than just strong legs. “Good balance has two major components,” says Connolly, who’s a spry 74\. “One is how quickly the brain reacts when its proprioceptive inputs signal we are out of balance. The second is having the quickness and strength to regain balance.” Strength training, he says, helps with both of these. That combination—faster brain-body reactions and stronger muscles—can mean the difference between a harmless stumble and a life-altering fall. ## Lifting for longevity Strength training also offers protection against many of the most common chronic diseases of aging. Type 2 diabetes, heart disease, dementia, and even some cancers have all been linked to inactivity. “Strength training increases muscle mass, which in turn improves how the body uses insulin and helps move glucose out of the blood and into cells for energy,” says Lettenberger. “This can lower blood sugar, improve insulin sensitivity, and reduce the risk of Type 2 diabetes or help manage the condition.” Dr. Chirag Panchal, a family-medicine physician in Florida, adds that muscle helps improve your use of glucose, which is one of the “keys to preventing and managing diabetes.” **Read More**: [_Unlocking the Secrets to Living to 100_](https://time.com/7322647/longevity-health-aging-centenarians-stacy-andersen/) [Research](https://pmc.ncbi.nlm.nih.gov/articles/PMC6481017/#:~:text=Exercise%20stimulates%20the%20translocation%20of,blood%20glucose%20level%20%5B32%5D.) also shows that strength training helps improve cardiovascular health and reduce risk factors for heart disease, such as high blood pressure and cholesterol. Large [studies](https://pmc.ncbi.nlm.nih.gov/articles/PMC5161704/) also link resistance training with a lower risk of certain cancers. Evidence also suggests it may support brain health by improving blood flow and reducing inflammation, potentially lowering the risk of dementia. It can also [reduce your risk of dying from any cause](https://www.ahajournals.org/doi/10.1161/CIR.0000000000001189) by about 15%. You don’t need to lift the heaviest weights in the gym or push yourself to exhaustion. What matters more is showing up regularly, building strength gradually, and making it a habit you can sustain for years. Even short, steady sessions a few times a week [can add up](https://pmc.ncbi.nlm.nih.gov/articles/PMC10527431/) to meaningful gains in muscle, metabolism, and overall health. “Bone health is something to prioritize earlier than many people realize,” says Lettenberger. “Muscles can be the greatest gift you give yourself as you age.” ```json [{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://time.com/7323121/strength-training-exercises-aging-health-benefits/","mainEntityOfPage":{"@type":"WebPage","@id":"https://time.com/7323121/strength-training-exercises-aging-health-benefits/"},"headline":"Why Strength Training Is the Best Anti-Ager","datePublished":"2025-10-06T17:01:23.000Z","dateModified":"2025-12-01T19:42:59.000Z","description":"“Every time you do a squat, a pushup, or pick up a weight, you’re putting gentle stress on your skeleton.\"","url":"https://time.com/7323121/strength-training-exercises-aging-health-benefits/","keywords":["Exercise & Fitness","freelance","Evergreen"],"thumbnailUrl":"https://static.time.com/v3/assets/bltea6093859af6183b/blta87f61fd2d1ef2c3/6998ca737323af527c2bceae/Why-Strength-Training-Is-Non-Negotiable-as-You-Age.png?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","author":[{"@type":"Person","name":"Lauryn Higgins","jobTitle":null,"url":"https://time.com/author/lauryn-higgins/"}],"articleSection":"Health","image":[{"@type":"ImageObject","url":"https://static.time.com/v3/assets/bltea6093859af6183b/blta87f61fd2d1ef2c3/6998ca737323af527c2bceae/Why-Strength-Training-Is-Non-Negotiable-as-You-Age.png?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","width":1200,"height":675,"headline":"Why Strength Training Is Non-Negotiable as You Age","caption":"","creditText":"Photo-Illustration by Chloe Dowling for TIME (Source Image: artpartner-images/Getty Images)","representativeOfPage":true}],"publisher":{"@type":"Organization","name":"Time","url":"https://time.com/","logo":{"@type":"ImageObject","url":"https://time.com/images/logo.png","width":528,"height":156},"foundingDate":"March 3, 1923","sameAs":["https://www.facebook.com/time","https://www.instagram.com/time/?hl=en","https://twitter.com/time","https://www.pinterest.com/timemagazine"]}},{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"/section/health/","name":"Health"}},{"@type":"ListItem","position":2,"item":{"@id":"/tag/exercisefitness/","name":"Exercise & Fitness"}},{"@type":"ListItem","position":3,"item":{"@id":"https://time.com/7323121/strength-training-exercises-aging-health-benefits/","name":"Why Strength Training Is the Best Anti-Ager"}}]}] ```