Movement is Medicine: Why Muscle Matters More Than You Think for Longevity
Quick Read
You've noticed your body changing in midlife, and you want to stay strong for the decades ahead. Muscle does far more than shape your body, supporting your metabolism, immune system, balance, mood, and lifespan. You can build it at any age, and every bit of movement counts. Resistance training a few times a week, paired with daily movement, is one of the best investments you can make in healthy aging.
Muscle is easy to overlook. It fades slowly, and most women don't think about it until their clothes fit differently or climbing stairs feels harder than it used to.
Two licensed menopause specialists want to change that. Dr. Doug Lucas, Clinical Lead of Bone Health and Longevity Medicine at LifeMD, calls muscle one of the most important factors in healthy aging. Dr. Karen Koffler, Clinical Chair of Women's Health and Integrative Medicine at LifeMD, sees movement as one of the most powerful tools for both body and mind.
Here's what they want every woman in midlife to know, starting with the myths that keep so many from moving more.
Feel Like Yourself Again
Connect with a licensed menopause provider who can help you understand your symptoms and determine if hormone replacement therapy is the right next step.
Why Does Muscle Matter So Much for Women in Midlife?
Muscle can naturally decline with age, and the decline in estrogen during menopause can speed that loss. Because it happens gradually, many women don't notice until it affects their strength, balance, or energy.
Dr. Lucas puts muscle at the top of his list for a longer, healthier life, right alongside bone. "When I look at what are the most important things to focus on if you're going to create a plan that's going to improve your healthspan, bone and muscle are at the top of the list."
Healthspan means the years you spend feeling strong, independent, and able to enjoy your life. Muscle is one of the biggest factors in how long those years last.
Myth: Muscle is Mostly About How You Look
The truth: Muscle shapes your body, and it also powers your metabolism, immune system, and ability to stay independent.
Dr. Lucas compares muscle to shapewear under your skin that holds everything in place. That's the part most people notice. What happens underneath matters even more. Muscle helps regulate your metabolism, communicates with your immune system, and keeps you steady on your feet. Dr. Lucas's philosophy on muscle comes down to a simple rule.
He says, "The more muscle you have, the more energy you have. The more muscle you have, the safer you are. The more muscle you have, the less likely you are to fall, the easier it is going to be for you to get up. The more muscle you have, the longer you are likely to live."
More muscle means more energy today and more independence decades from now.
Myth: Cardio is Enough to Stay Healthy
The truth: Walking and cardio are great for your heart and mood. To keep muscle and bone strong, you also need resistance training.
Muscles and bones get stronger when you put load on them. Lifting weights, using resistance bands, or doing bodyweight moves like squats and push-ups creates that load. Dr. Lucas puts it simply:
"Muscles and bones respond to the stress that you get from actually putting load on your bones and on your muscles."
Dr. Koffler agrees that resistance training deserves a spot in every routine. She points out that it builds muscle, prevents bone loss, supports brain health, lifts mood, helps control metabolism, lowers diabetes risk, and can help reduce the belly fat so many women notice in midlife.
Myth: You’re Too Old to Build Muscle in Midlife?
The truth: You can build muscle at any age.
Dr. Koffler points to research showing that when men in their nineties start strength training, they build muscle."You're never too old,” she points out. “We can all build muscle, we can all respond to exercise, and it's one thing that's pretty immediate."
The benefits also show up quickly. When Dr. Koffler asks patients what they notice after exercising more regularly, most tell her they simply feel better.
Whether you're 45 or 75, starting now begins the benefits.
Myth: Exercise Has to Be Intense to Count
The truth: All movement counts, and pushing yourself to exhaustion can backfire.
Dr. Koffler reminds women that the human body was built to move. The healthiest, longest-lived communities in the world have steady, low-level movement woven into their days. "All movement counts, all your walks, all your choices to use the stairs, every time you park further away and walk more of a distance to where it is you're going."
She also cautions against working out to the point of exhaustion, especially for women who already feel depleted. The goal is movement you can do almost every day, and it can look different from one day to the next. A walk one day, a strength session the next, and stretching or yoga after that all add up. And increasingly it is being shown that exercising in a variety of ways may be better than repetitive activity.
Myth: Movement Only Helps Your Body
The truth: Movement is one of the best tools you have for your mood and mind.
Dr. Koffler sees exercise as a key part of managing the mood changes that often come with midlife. It lifts mood, supports brain health, and helps you sleep better, which in turn helps protect you from how one bad night of sleep can spill into your mood and focus.
"If we could put exercise into a pill, 100% of people worldwide would take it because of its incredible benefits." Dr. Koffler believes the benefits of exercise reach almost every system in your body. Exercise helps keep your metabolism strong, supports your heart, protects your bones, and maintains muscle, all while helping you feel more like yourself.
Myth: Supplements Can Make Up for Skipping Strength Training
The truth: Lifestyle comes first, and supplements fill in the gaps.
Dr. Lucas uses and recommends supplements, but he's clear about where they fit. Some, like magnesium, help cover nutrients that are hard to get from food. They work best on top of a strong foundation of movement, nutrition, and sleep.
"You are not going to supplement your way out of menopause, out of osteoporosis, out of sarcopenia. It's a lifestyle thing first, and then supplements are probably not even the icing on the cake, but like the sprinkles on the icing on the cake."
Sarcopenia is the medical term for age-related muscle loss. The best defense against it is using your muscles.
How Do You Know If You're Losing Muscle?
Like bone loss, muscle loss is easy to miss. Dr. Lucas notes that you're more likely to notice it in bigger shifts, like clothes fitting differently or your body looking different in the mirror.
Tracking takes the guesswork out. Some signs to watch:
Everyday tasks, like carrying groceries or getting up from the floor, feel harder
Your weight is steady, but your shape is changing
You feel less steady on your feet
The weights you lift are getting harder to manage
For a clearer picture, a DEXA scan can measure body composition, showing how much of your body is muscle, fat, and bone. Getting a DEXA scan to help you determine if you want to try hormone therapy gives you a baseline for both bone and muscle that you can track over time.
How Can Women Start Building Muscle in Midlife?
A few simple habits go a long way.
Add resistance training two to three times a week: Start with bodyweight moves, resistance bands, or light weights, and build up gradually.
Move every day: Walk, take the stairs, garden, or dance. Every bit adds up.
Eat enough protein: Your muscles need it to repair and grow, and many women in midlife need more protein than they're getting.
Prioritize sleep: Your body repairs muscle while you rest.
Track your progress: Notice how much you can lift, how everyday tasks feel, and what your scans show over time.
Talk to your menopause provider about hormones: Estrogen plays a role in muscle and bone health, and your provider can help you decide whether hormone therapy fits your goals.
Muscle works hand in hand with bone, sleep, and hormones as the four pillars of healthy aging, so strengthening one tends to lift the others.
How Can LifeMD Help You Stay Strong?
The LifeMD Women's Health Program connects you with licensed menopause providers who look at the whole picture, including your muscle, bone health, energy, and symptoms. If hormone therapy is a good fit, your provider will build a plan around your goals and adjust it as your body changes.
Get started today and invest in a stronger future.
The information provided is not a substitute for professional medical advice and is for informational purposes only. Availability of specific treatments and offerings varies by state. Medications prescribed if clinically appropriate based on completion of required consultation.
