Alzheimer's Disease: What You Need to Know - and How to Protect Your Brain

Written by Usman Akhtar, MD, Chief Medical Information Officer at VHC Health

More than 7 million Americans are currently living with Alzheimer's disease. By 2050, that number is expected to nearly double to 13 million. In the D.C. region, the impact is evident:

• 16.8% of adults over 65 in Washington, D.C.
• 12.9% in Maryland
• 11.7% in Virginia are affected by this progressive brain disorder.

But what exactly is Alzheimer's disease - and more importantly, how can you reduce your risk?

What is Alzheimer's Disease?

Alzheimer's is a progressive neurodegenerative disorder that slowly erodes memory, thinking skills, and eventually the ability to perform everyday tasks.

To explain the condition, I often use this analogy with patients: Imagine a large data center - a warehouse full of thousands of electrical wires all transmitting signals. Now picture what happens if dust accumulates, wires get blocked, or protective coatings start to fail. This signals a slowdown or a stop. Our brains work similarly. Neurons, or brain cells, communicate through electrical impulses and chemical messengers called neurotransmitters. In Alzheimer's disease, abnormal protein deposits - plaques (beta-amyloid) and tangles (tau) - accumulate inside and between neurons. These interfere with communication, damage brain connections, and ultimately cause the memory loss and cognitive decline we associate with the disease.

Understanding this breakdown raises a critical question: Can we slow or prevent this process?

How Can You Protect Your Brain?

While there is no cure yet, decades of research have shown that lifestyle changes can significantly reduce your risk. Here are the most evidence-based strategies:

1. Eat smart - adopt a Mediterranean-style diet. This supports brain health and reduces inflammation.
   • Prioritize:
     • Whole grains
     • Fresh vegetables and fruits
     • Healthy fats like olive oil and nuts
     • Fish and lean proteins
   • Limit:
     • Red meat
     • Processed foods
     • Fried items
     • Added sugars
2. Stay physically active - Aim for at least 150 minutes of moderate cardio per week - think brisk walking, swimming, dancing, or cycling. Regular exercise improves blood flow to the brain, helps build new neuron connections, and can slow cognitive decline.
3. Manage chronic health conditions - High blood pressure, diabetes, high cholesterol, and obesity - especially during mid-life, are all linked to increased Alzheimer's risk. Unsure of your numbers for these metrics? Make an appointment with your primary care provider today.
4. Stay connected - Social isolation is significant but an often overlooked risk factor. Regularly engage with family, friends, and your community. Activities like volunteering, taking a class, or joining a support group can help keep your mind engaged and emotionally resilient.

Who's Most at Risk?

Several health and lifestyle factors can increase your risk of developing Alzheimer's:

• Cardiovascular risk factors: high blood pressure, diabetes, high cholesterol, stroke, and obesity.
• Age: The single largest factor. Alzheimer's risk rises significantly after age 65.
• Family history and genetics: Certain inherited genes (such as APOE-e4) increase risk, but not all people with these genes develop Alzheimer's.

Understanding these risk factors helps identify who might benefit most from early screening and preventative strategies.

Why Early Detection Matters

Detecting Alzheimer's early allows individuals to:

• Access appropriate care
• Make lifestyle adjustments
• Plan for the future
• Preserve quality of life for as long as possible

Diagnosis typically involves a combination of cognitive assessments, imaging tests, and lab work. The sooner a diagnosis is made, the more options are available.

How We Support You

At VHC Health, we are committed to providing comprehensive support for individuals living with Alzheimer's and their families.

VHC Health offers support groups for patients and caregivers, providing a safe space to share experiences, learn coping strategies, and access helpful resources. Additionally, our Healthy Aging program creates opportunities for individuals to age safely, independently, and with purpose. Visit VHC Health's Senior Health Department to learn more about our services and programs designed to help you stay informed, engaged, and supported throughout the aging process.