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Many people worry that who they are today is simply who they are from now on. They notice more stiffness, less energy, weaker muscles, slower recovery, or more difficulty doing things that used to feel easy, and they wonder: Is this just aging? Or is something else going on? The honest answer is that aging is part of the picture, but it is rarely the whole picture. Yes, physiological changes happen as we age. Women experience hormonal changes through perimenopause, menopause, and postmenopause. Men also experience hormonal changes over time, although often more gradually. These changes can influence muscle, bone, energy, recovery, and body composition. But that does not mean your body stops being adaptable. Muscle tissue, bone tissue, connective tissue, and cardiovascular tissue all respond to the demands placed upon them. Your body is always adapting. The question is: what is it adapting to? If your body is regularly given safe, appropriate, progressive challenge, it can become stronger, more capable, and more confident. Research consistently demonstrates improvements in muscular strength, muscular endurance, cardiovascular fitness, power, balance, and physical function in older adults, including those in their 70s, 80s, and even 90s. If your body is given less challenge because you have been told—or have come to believe—"I'm too old," "I can't do that anymore," or "this is just how it is now," then your tissues adapt to less demand. That can look like aging. But often, it is not aging alone. It may be deconditioning. It may be fear of movement. It may be pain. It may be reduced strength, balance, mobility, or confidence. It may be the effects of stress, poor sleep, inadequate recovery, injury, chronic disease, or simply spending less time moving. This distinction matters. There are disease states that change what we can expect from the body. Osteoporosis, for example, reflects a change in bone density and bone strength. Exercise is strongly recommended to support bone health, reduce fall risk, improve strength, and help maintain function. However, we need to be careful about claiming that exercise "reverses" osteoporosis. The evidence is stronger for maintaining bone density and producing modest improvements in some individuals than it is for fully reversing the condition. But having osteoporosis does not mean you cannot function well. The same is true for many chronic conditions. A diagnosis may change the plan, the precautions, and the progression. It does not automatically remove the possibility of improvement. This is where I like to separate aging from disease. Aging is a natural process. Disease is when the body is in a state of dis-ease. The two can overlap. The longer we live, the more time the body has had to experience stress, injury, inflammation, inactivity, illness, under-recovery, or other challenges. But age itself is not always the reason someone feels limited. Time matters. Your body has had time to adapt to its environment. If that environment has included nourishing movement, adequate rest, strength training, cardiovascular activity, balance work, meaningful activity, and recovery, the body often reflects that. If that environment has included fear, pain, stress, inactivity, poor recovery, and years of underuse, the body may reflect that too. That does not mean blame. It means possibility. Because if the body has adapted in one direction, it may be able to adapt in another. Many of the chronic diseases that challenge our healthcare system today have strong lifestyle-related components. That does not mean genetics, heredity, or medical conditions do not matter—they absolutely do. Some conditions occur despite a person's best efforts. But lifestyle matters too. The choices we make, the habits we repeat, the environments we live in, and the ways we care for our bodies influence how we age and how we function. You may not be trying to become who you were twenty years ago. You may be learning what your body needs now. More strength. More balance. More power. More confidence. More recovery. More consistency. More appropriate challenge. So when someone asks, "Is this just aging?" I often think the better question is: "What has my body adapted to, and what might still be possible with the right support?" Because change does not disappear after a certain age. The path may need to be more thoughtful. The progression may need to be more individualized. The starting point may need to be honest. But your body is not finished adapting. References Fiatarone MA, Marks EC, Ryan ND, et al. High-intensity strength training in nonagenarians. New England Journal of Medicine. 1990;323(5):302-309. Fragala MS, Cadore EL, Dorgo S, et al. Resistance Training for Older Adults: Position Statement From the National Strength and Conditioning Association. Journal of Strength and Conditioning Research. 2019;33(8):2019-2052. Reid KF, Fielding RA. Skeletal muscle power: a critical determinant of physical functioning in older adults. Exercise and Sport Sciences Reviews. 2012;40(1):4-12. Watson SL, Weeks BK, Weis LJ, et al. High-Intensity Resistance and Impact Training Improves Bone Mineral Density and Physical Function in Postmenopausal Women With Osteopenia and Osteoporosis. Journal of Bone and Mineral Research. 2018;33(2):211-220. Zhao R, Zhao M, Xu Z. Effects of exercise on bone mineral density in postmenopausal women: a systematic review and meta-analysis. |
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