When most people think about protecting their health as they age, they focus on their heart, joints, blood pressure, or cholesterol.
Far fewer think about protecting their brain.
Yet our brains age just like the rest of our bodies. The choices we make today can influence how well our nervous system functions years and even decades into the future.
While there is currently no guaranteed way to prevent conditions such as Alzheimer’s disease, Parkinson’s disease, and other neurodegenerative disorders, research continues to show that lifestyle factors play a significant role in brain health.
In fact, many of the same habits that support cardiovascular health also support neurological health.
The encouraging news is that protecting your brain does not usually require expensive treatments or complicated interventions. Often, it involves consistently engaging in relatively simple activities that support healthy brain function over time.
Understanding Neurodegeneration
Neurodegeneration refers to the gradual loss of structure and function of nerve cells.
This process is associated with conditions such as:
- Alzheimer’s disease
- Parkinson’s disease
- Lewy body dementia
- Frontotemporal dementia
- Multiple system atrophy
- Other age-related neurological disorders
Although genetics can influence risk, researchers increasingly recognize that lifestyle, environment, inflammation, metabolic health, and overall brain resilience also play important roles.
Rather than viewing neurodegeneration as something that suddenly appears late in life, many scientists now view it as a process that develops over years or even decades.
This means that many of the protective habits we develop today may have long-term benefits for future brain health.
Move Your Body Regularly
If there were a medication capable of improving blood flow to the brain, supporting neuroplasticity, reducing inflammation, improving mood, enhancing cognitive function, and lowering the risk of numerous chronic diseases, it would likely be one of the most prescribed treatments in medicine.
That intervention already exists.
It’s called exercise.
Physical activity is one of the most consistently supported lifestyle factors for maintaining brain health.
Research suggests regular exercise may:
- Improve cerebral blood flow
- Increase production of brain-derived neurotrophic factor (BDNF)
- Support neuroplasticity
- Enhance cognitive performance
- Reduce inflammation
- Improve mood
- Support balance and coordination
Both aerobic exercise and resistance training appear beneficial.
Walking, cycling, swimming, strength training, hiking, dancing, and recreational sports can all contribute to brain health.
The best exercise program is often the one you can perform consistently.
Don’t Neglect Your Oral Health
One of the more surprising areas of neurodegenerative research involves oral health.
Researchers have increasingly explored the relationship between periodontal disease, chronic inflammation, and cognitive decline.
The mouth is not separate from the rest of the body.
Chronic gum inflammation may contribute to systemic inflammatory processes that affect overall health, including the brain.
Several studies have identified associations between periodontal disease and an increased risk of cognitive decline and dementia.
While research continues to investigate the exact mechanisms involved, maintaining good oral hygiene appears to be an important component of long-term health.
Simple habits include:
- Daily brushing
- Regular dental cleanings
- Daily flossing
- Addressing gum disease promptly
Few people think of flossing as a brain-health intervention, but maintaining healthy gums may help reduce chronic inflammatory burdens that can affect the entire body.
Challenge Your Brain
The brain thrives on novelty and challenge.
Just as muscles become stronger when appropriately challenged, neural networks become more efficient when asked to learn, adapt, and solve problems.
Activities that challenge the brain may include:
- Learning a new language
- Playing a musical instrument
- Reading
- Puzzles
- Strategy games
- Taking classes
- Learning new skills
- Traveling
- Exploring unfamiliar environments
The goal is not simply staying busy.
The goal is engaging in activities that require active learning and adaptation.
Novelty appears to be particularly beneficial because it encourages the formation of new neural connections.
Prioritize Sleep
Sleep is one of the most underappreciated components of neurological health.
During sleep, the brain performs critical maintenance functions.
Research has shown that sleep plays a role in:
- Memory consolidation
- Learning
- Metabolic regulation
- Immune function
- Clearance of metabolic waste products
The brain’s glymphatic system becomes particularly active during sleep and helps remove proteins and metabolic byproducts that accumulate during waking hours.
Poor sleep has been associated with increased risk of cognitive decline and neurodegenerative disease.
Healthy sleep habits include:
- Maintaining a consistent sleep schedule
- Limiting caffeine late in the day
- Reducing evening screen exposure
- Creating a dark sleeping environment
- Addressing sleep disorders when present
Manage Blood Sugar
The brain consumes a tremendous amount of energy.
Problems involving glucose regulation can affect both short-term and long-term neurological function.
Research has identified links between metabolic dysfunction, insulin resistance, and increased risk of cognitive decline.
Some researchers have even referred to Alzheimer’s disease as “type 3 diabetes,” although this term remains controversial.
Regardless of terminology, maintaining healthy metabolic function appears important for protecting the brain.
Strategies include:
- Regular exercise
- Balanced nutrition
- Weight management
- Adequate sleep
- Managing diabetes appropriately when present
Protect Your Cardiovascular System
Your brain depends on blood flow.
Although the brain accounts for only a small percentage of total body weight, it receives a substantial portion of the body’s blood supply.
Many risk factors for cardiovascular disease are also risk factors for cognitive decline, including:
- High blood pressure
- Diabetes
- Smoking
- Obesity
- Sedentary lifestyle
- Elevated cholesterol
Protecting your heart often means protecting your brain.
Stay Socially Connected
Humans are social creatures.
Research consistently demonstrates that social engagement is associated with better cognitive outcomes as people age.
Social interaction challenges numerous brain systems simultaneously, including:
- Memory
- Language
- Emotional regulation
- Attention
- Executive function
Strong social connections may also help reduce stress, depression, and loneliness, all of which can affect neurological health.
Meaningful relationships appear to be an important part of healthy aging.
Reduce Chronic Inflammation
Inflammation plays an important role in healing and immune function.
However, chronic low-grade inflammation has been implicated in many age-related diseases, including neurodegenerative disorders.
Factors that may contribute to chronic inflammation include:
- Poor diet
- Smoking
- Obesity
- Sedentary behavior
- Chronic stress
- Poor sleep
- Untreated infections
- Periodontal disease
Many of the habits already discussed help reduce inflammatory burden throughout the body.
Don’t Ignore Balance, Vision, and Sensory Changes
The nervous system functions through constant sensory input.
Changes involving balance, coordination, eye movements, reaction time, or cognitive processing should not automatically be dismissed as “normal aging.”
While some changes occur naturally with age, significant declines may warrant further evaluation.
Early identification of neurological changes can sometimes allow interventions to be implemented before symptoms become more severe.
From a chiropractic neurology perspective, maintaining healthy sensory processing and promoting neuroplasticity may help support overall brain resilience.
Continue Learning New Movements
Physical activity is beneficial.
Learning new movement patterns may be even more beneficial.
Activities that challenge coordination and motor learning require the brain to continuously adapt.
Examples include:
- Dance classes
- Martial arts
- Racquet sports
- Pickleball
- Yoga
- Tai Chi
- Learning new athletic skills
These activities engage multiple neurological systems simultaneously, including balance, proprioception, vision, timing, and motor planning.
The brain loves complexity.
The Goal Isn’t Perfection
One of the most important things to understand about brain health is that no single habit determines your future.
There is no magic supplement, miracle exercise, or perfect diet that guarantees protection from neurodegeneration.
Instead, brain health is often built through the accumulation of small choices made consistently over time.
Walking regularly.
Getting enough sleep.
Flossing your teeth.
Learning new skills.
Managing stress.
Maintaining relationships.
Challenging your mind.
Taking care of your cardiovascular health.
Each of these habits may seem small on its own.
Together, they create an environment that supports a healthier, more resilient nervous system.
A Brain Worth Investing In
Many people spend more time planning for retirement than they do planning for their future brain health.
Yet the ability to think clearly, remember important moments, stay independent, move confidently, and enjoy meaningful relationships may be among the most valuable assets we possess.
The good news is that many of the most effective strategies for supporting brain health are already within our control.
The choices we make today may not only influence how long we live, but how well we live.
And when it comes to protecting the brain, that investment may be one of the most important investments we ever make.
If you or someone you love is suffering from neurological symptoms and you would like to learn how chiropractic neurology can help, contact the team at Georgia Chiropractic Neurology Center today. We look forward to hearing from you.
Written by Sophie Hose, DC, MS, DACNB, CCSP
Peer-Reviewed References
- Livingston G, Huntley J, Sommerlad A, et al. Dementia prevention, intervention, and care: 2024 report of the Lancet Commission. The Lancet.
- Erickson KI, Hillman C, Kramer AF. Physical activity, brain, and cognition. Current Opinion in Behavioral Sciences. 2015.
- Kamer AR, Pirraglia E, Tsui W, et al. Periodontal disease associates with higher brain amyloid burden. Neurology. 2015.
- Barnes DE, Yaffe K. The projected effect of risk factor reduction on Alzheimer’s disease prevalence. The Lancet Neurology. 2011.
- Northey JM, Cherbuin N, Pumpa KL, Smee DJ, Rattray B. Exercise interventions for cognitive function in adults older than 50. British Journal of Sports Medicine. 2018.
- Xie L, Kang H, Xu Q, et al. Sleep drives metabolite clearance from the adult brain. Science. 2013.