The Power of Cardio!
October 6, 2026
“The benefits of aerobic exercise reach from your brain to your bones.”
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When most of us hear the word “cardio,” we immediately think about the heart — and for good reason. But regular aerobic exercise does considerably more than strengthen our cardiovascular system. According to the Centers for Disease Control and Prevention, consistent physical activity can lower the risk of heart disease, stroke and type 2 diabetes while also supporting brain health, bone health, sleep and our ability to remain physically independent as we age. Current federal guidelines recommend that adults aim for at least 150 minutes of moderate-intensity aerobic activity each week, or 75 minutes of vigorous activity, along with muscle-strengthening exercise at least two days a week.
The cardiovascular benefits are particularly well established. According to the American Heart Association, increasing physical activity can produce meaningful reductions in blood pressure and improvements in cholesterol and triglyceride levels. Aerobic exercise also improves cardiorespiratory fitness — essentially making the heart, lungs and circulatory system better at delivering oxygen throughout the body. That efficiency becomes increasingly important as we get older. Walking up a flight of stairs, carrying groceries, traveling or simply keeping up with an active lifestyle all become easier when the cardiovascular system is properly conditioned.
Then there is the brain. A major 2025 systematic umbrella review and meta-meta-analysis published in the British Journal of Sports Medicine examined 133 systematic reviews encompassing more than 2,700 randomized controlled trials and more than 250,000 participants. The researchers found that exercise produced significant improvements in general cognition, memory and executive function across a wide range of ages and populations. Interestingly, the benefits were not limited to punishing workouts. The researchers concluded that even lighter-intensity exercise can contribute positively to cognitive health. The CDC also reports that regular physical activity is associated with a lower risk of cognitive decline and dementia as we age.
Exercise also plays an important role in maintaining the body we need to carry us through those additional years. According to the CDC, regular physical activity helps support bone health and reduces the risk of falls, while physically active people have a lower risk of hip fracture than those who are inactive. The important distinction is that cardio shouldn’t replace strength training — the two complement each other. Aerobic exercise develops endurance and cardiovascular fitness, while resistance training helps preserve muscle mass, strength and function. As we age, that combination may be far more valuable than simply focusing on the number on a bathroom scale.
For those of us in business, there may be another lesson here. We tend to think of exercise as something we squeeze into the schedule when everything else is finished. Perhaps we have it backwards. Better cardiovascular fitness, improved sleep, reduced anxiety and stronger cognitive function can all contribute to the energy and mental sharpness we bring to the rest of the day. You don’t necessarily need to run marathons or spend hours on a treadmill. A brisk walk, bike ride, swim or other activity you actually enjoy — performed consistently — can deliver benefits throughout the body.
The Takeaway: Cardio isn’t simply about protecting your heart. Combined with regular strength training, it is one of the most practical investments we can make in our brain, bones, mobility and long-term independence. The real secret isn’t finding the hardest workout. It’s finding something you will continue doing.
