As we look toward a fresh chapter, most people focus on changing their bodies. This year, I want to talk about how we can upgrade the 'CEO' that runs the whole operation: your brain.
We’ve all heard it a thousand times: exercise is good for you. We do it to fit into our clothes better, to keep our hearts ticking, or maybe just because we feel like we should. But after 25 years in the health and wellness space, I’ve noticed we often miss the most critical beneficiary of our physical effort: our brains.
I recently came across a breakdown that perfectly illustrates what I preach at Brooktree. It’s not just about muscle mass or cardiovascular endurance; it’s about literally rewiring your brain to be more resilient, calmer, and sharper.
If you’re like me—looking to peacefully enjoy the fruits of your labor in the coming years—this is the kind of "compound interest" you want to be paying attention to.
The Science: You Can Actually Grow Your Brain
For a long time, we thought adults were stuck with the brain cells they had. If you killed a few off, that was it. It turns out, that’s not true.
Exercise triggers a process called neurogenesis—the growth of new brain cells. This happens primarily in the hippocampus, the part of the brain responsible for memory and learning. Research shows that regular aerobic exercise can increase the volume of your hippocampus by up to 2% a year.
That might sound small, but in the world of physiology, that is massive. That 2% increase effectively reverses brain aging by one to two years. You are literally turning back the clock just by moving your body.
Meet Your New CEO
Beyond just memory, exercise strengthens the prefrontal cortex. Think of this area as the CEO of your brain. It handles decision-making, focus, and keeping your emotions in check.
When you exercise, you’re increasing blood flow and connectivity to this area. The result? You become less impulsive and better at managing stress. If you’ve ever felt clearer-headed after a walk or a run, that’s not a placebo effect; that is your brain’s "CEO" getting the resources it needs to lead effectively.
The "Fertilizer" Factor
Here is my favorite part of the science: exercise releases a protein called BDNF (Brain-Derived Neurotrophic Factor).
Think of BDNF as miracle fertilizer for your brain. It helps new cells survive and thrive. It creates an environment where your brain can build complex networks, making you more resilient to stress. In my opinion, this is the best anti-aging drug on the market, and it’s completely free if you’re willing to put in the work.
It’s Not About Becoming an Athlete
Now, before you think you need to start training for a triathlon to get these benefits, let me stop you. As someone who played football through college and loves track & field, I enjoy intensity—but your brain doesn't require it to stay healthy.
The research indicates that the "sweet spot" is surprisingly achievable: 30 to 45 minutes, 3 to 5 times a week.
We are talking about moderate intensity—like a brisk walk. You don't need to crush yourself in the gym for hours. Consistency is far more important than intensity. It’s just like saving money; small, consistent deposits over time yield a massive fortune eventually.
The Takeaway
I’ve always viewed Brooktree Consulting as a practice, not just a business, because health is something you practice daily. We all want to reach that stage in life where we can just enjoy the peace, the quiet, and the sun. To do that, you need a brain that is resilient enough to enjoy it with you.
So, go for a walk. Get some sun. Your body will thank you, but your brain will thank you even more.
Ready to design a lifestyle that invests in your future?
At Brooktree, we don't just focus on diet or exercise in isolation; we look at the whole picture of your life to build sustainable health. Whether you want to get back into the best shape of your life or simply ensure you’re aging with vitality, I can help you get there.
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