June Is Brain & Cognitive Health Awareness Month

The Good News About Protecting Your Brain

When most people think about Alzheimer's disease and dementia, they think about genetics.

They think about family history.

They think about aging.

And they wonder how much influence they really have over what happens next.

For many of my patients, the concern isn't whether cognitive decline is inevitable. It's whether

they're doing enough today to protect their brain for the future.

The encouraging news is that one of the most important brain health studies ever conducted suggests we have far more influence than many people realize.

Last year, researchers published results from the U.S. POINTER Trial, a landmark study involving more than 2,000 older adults at increased risk for cognitive decline. The question was simple but powerful:

Can lifestyle changes help preserve brain function?

The answer was yes.

Participants who followed a structured lifestyle program experienced measurable improvements in memory, processing speed, and executive function over two years. The benefits were so significant that researchers estimated they were comparable to offsetting one to two years of age-related cognitive decline. In other words, the brain responded faster than many expected.

What Did the Program Include?

The intervention focused on four key pillars:

• A brain-healthy MIND diet

• Regular physical activity

• Cognitive and social engagement

• Cardiovascular health monitoring

None of these interventions were exotic.

No expensive supplements.

No cutting-edge technology.

Just consistent attention to the foundational habits that influence how the brain functions every day.

New Findings: It's Bigger Than Brain Health

As researchers continue analyzing the data, an even more interesting story is emerging.

The same lifestyle program that improved cognition also appeared to improve markers of healthy aging throughout the body.

One of the most important findings involved frailty.

Frailty isn't simply weakness or old age. It's a measure of biological aging—the gradual loss of resilience that makes us more vulnerable to illness, disability, and chronic disease.

Participants in the study showed improvements in frailty measures, suggesting that these lifestyle habits may be influencing the underlying biology of aging itself. In other words, what helps your brain may also help your entire body age more gracefully.

The Brain-Heart Connection

We have more evidence that what's good for the heart is also good for the brain.

The brain consumes about 20% of the body's energy despite making up only about 2% of body weight. It requires a constant supply of oxygen and nutrients delivered through healthy blood vessels.

New analyses from the POINTER study found improvements in vascular function and blood pressure regulation, reinforcing the connection between cardiovascular health and cognitive performance.

This is one reason I spend so much time discussing blood pressure, exercise, inflammation, sleep, ApoB, endothelial and metabolic health with patients.

Protecting your arteries is also protecting your brain.

Don't Forget About Sleep

Another fascinating finding from the newer analyses involved sleep.

Researchers observed evidence suggesting a reduction in sleep apnea burden among participants.This is important because sleep apnea has been linked to memory problems, cognitive decline, and increased dementia risk.

Sleep is not passive.

During sleep, the brain consolidates memories, regulates inflammation, repairs tissues, and clears metabolic waste products that accumulate during the day.

Poor sleep affects nearly every system involved in cognitive health.

Sleep apnea, in particular, is often underrecognized. While excess weight can increase risk, many people develop sleep apnea because of their airway anatomy, sleeping position, or the structure of their jaw and mouth, not simply because of obesity.

If you're experiencing fatigue, snoring, fragmented sleep, or daytime sleepiness, it's worth investigating. Improving sleep may be one of the most powerful steps you can take to protect your brain, preserve memory, and support healthy aging.

What Is the MIND Diet?

The nutritional foundation of the study was the MIND Diet (Mediterranean-DASH Intervention for Neurodegenerative Delay), one of the most extensively studied dietary patterns for brain health.

Key foods include:

• Leafy greens

• Colorful vegetables

• Berries

• Beans and legumes

• Nuts and seeds

• Whole grains

• Fish

• Extra virgin olive oil

• Lean poultry

  
  

The MIND Diet isn't about perfection.

It's about consistently choosing foods that support vascular health, reduce inflammation, nourish the microbiome, and provide the nutrients the brain needs to thrive.

The Takeaway

The most encouraging message from the U.S. POINTER Trial is this:

Your brain is listening to your daily habits.

Every walk.

Every strength training session.

Every night of restorative sleep.

Every meal rich in colorful plants.

Every meaningful conversation.

Every effort to improve blood pressure, blood sugar, and cardiovascular health.

These choices may seem small in isolation, but they compound over time.

With the aim of preserving memory, protecting independence, and staying cognitively vibrant as we age, this study offers a powerful reminder:

The goal isn't worry or perfection.

The goal is consistency.

The same habits that support your heart, metabolism, immune system, and longevity also support the health of your brain.

And that's a powerful reason for optimism. The science continues to show that our daily choices matter. By consistently investing in the foundations of health, we can help build a more resilient brain for years to come.

This Brain Health Awareness Month, share this message with someone you care about. The earlier we start supporting our brains, the greater the opportunity to thrive as we age.

Here's to healthy brains, healthy aging, and a future filled with vitality.

References

Ngandu T, et al. U.S. POINTER Trial findings, 2025.

Recent U.S. POINTER analyses on frailty, vascular health, and sleep presented in 2026.

Morris MC, et al. MIND Diet and cognitive decline research.