Why You’re Still Struggling with Brain Symptoms—Even When You’re Addressing the Foundations of Health

Brain health is influenced by the interaction of nutrition, movement, sensory input, and mindset, along with deeper physiological and relational factors. Yet, even when the foundations of brain health are addressed, symptoms can persist if systems are not aligned or personalized.

This article explores how the brain communicates with the body through the gut, hormones, stress physiology, and the cardiovascular system. Additionally, it addresses how connection, relationships, and supportive tools such as essential oils can contribute to a more integrated approach to mental and cognitive health.

Table of Contents

1. Introduction: When You’re Doing the “Right” Things
2. Revisiting the Foundations of Brain Health
3. The Missing Piece: Integration Over Isolation
4. When Progress Stalls: What May Be Getting in the Way
5. The Mind–Body Connection: A Two-Way Conversation
6. The Heart–Brain Connection: Why Relationships Matter
7. Integrating Essential Oils into Brain and Emotional Health
8. Moving Forward: A More Integrated Approach
9. References
10. FAQs

 

Introduction: When You’re Doing the “Right” Things

Many of the individuals I work with in naturopathic and functional medicine practice are already deeply committed to improving their health.

We work together to further dial in and optimize their nutrition, movement, stress resiliency, mindset, lifestyle practices, and their environment. In many instances, they are already actively engaging in several of the key foundations of brain health, but aren’t seeing full benefits.

To create the lasting results they desire, proper personalization and incorporation are needed.

This is why so many times people feel like they are doing all the right things… yet still experiencing symptoms.

Despite meaningful effort, brain fog, fatigue, anxiety, or low mood may persist if all interconnecting systems aren’t addressed.

This is where it becomes important to shift the question from “What am I missing?” to “How are all of these aspects coming together and interacting in my body?”

Because in many cases, the issue is not a lack of effort—it is a lack of integration.

 

Revisiting the Foundations of Brain Health

In this series, I’ve focused on four foundational areas that influence brain health: nutrition, movement, mindset, and sensory input.*

• Nutrition – for providing the building blocks for neurotransmitters, energy production, cellular repair, and inflammation balance to nourish the brain
• Movement – to support circulation, neuroplasticity, cognitive function, and stress resilience to activate the brain
• Mindset – to shape our perception, aid our stress physiology, and balance physiological signaling to regulate the brain
• Sensory input (specifically smell) – to influence how the nervous system perceives and responds to the environment in real time through direct neurological pathways

(*Note, sleep is considered foundational as well, yet one can’t sleep if they are not balancing their nervous system.)

These foundations are essential, but they do not operate independently. They continuously act together with one another and effect, and are affected by other aspects of metabolic health, social-relational factors, and physiological processes.

 

The Missing Piece: Integration Over Isolation

Recently, we’ve been witnessing important shifts in both research and clinical practice. Many physicians and researchers are moving away from isolated thinking that only addresses one organ or symptom and toward a systems-based understanding of health.

As a result, we are seeing more acceptance of the fact that brain does not function separately from the body. It reflects ongoing communication from multiple organ systems simultaneously. Our lifestyle foundations are key inputs that regulate these connections.

For example, nutrition can influence inflammation and neurotransmitter production. Movement can affect cardiovascular health, mood and cognition. Mindset can shape treatment outcomes and stress resiliency. Sensory input can either calm or activate the nervous system. These, in turn, influence physiological and other metabolic factors.

When these inputs are aligned, they support resilience. When they are not, the body may remain in a state of imbalance—even if each individual area appears to be addressed. Oftentimes, this because other key aspects are being overlooked and the interacting networks are being ignored.

 

When Progress Stalls: What May Be Getting in the Way

When progress plateaus, it is rarely due to lack of effort. More often, it reflects subtle imbalances within the system that are not being explored.

Sometimes one foundation is well supported while another continues to create physiological stress. In other cases, the nervous system remains in a heightened state of activation despite healthy habits.

In all cases, the balance can be titled by sensory overload, emotional strain, unhealed trauma, toxic exposure, unhealthy relationships, or long-standing physiological imbalance.

There may also be underlying factors such as blood sugar variability, sleep disruption, inflammation, dysbiosis, or stealth infections that continue to influence brain function beneath the surface.

And importantly, there is individuality. What works for one person with diet, exercise, or any other intervention may not work the same way for another, which is why personalization is essential.

 

The Mind–Body Connection: A Two-Way Conversation

The communication between the brain and body is constant and bidirectional.

This means brain symptoms are often not isolated to the brain—they are reflections of whole-body physiology.

The gut communicates with the brain through neural, immune, and hormonal pathways. Hormones influence mood, cognition, digestion, emotional and stress resilience. Inflammation and metabolic signals shape how the brain functions on a day-to-day basis.

At the same time, thoughts, perceptions, and stress responses influence digestion, immune function, and hormonal balance.

All of these intricate links must be considered on a personalized level to truly achieve mind-body balance.

 

The Heart–Brain Connection: Why Relationships Matter

One of the most underappreciated drivers of both brain and heart health is the quality of our social connections. Supportive relationships don’t just feel good—they actively help regulate the nervous system, strengthen resilience to stress, and support cardiovascular function.

When connection is lacking, or when stress becomes chronic, the body can remain stuck in a prolonged state of physiological activation. Over time, this wear-and-tear can impair both cognitive function and heart health.

The heart and brain are in a continuous dialogue through the autonomic nervous system. Our emotional experiences shape heart rhythm patterns, which in turn send signals back to the brain—subtly influencing mood, clarity of thought, and our capacity to adapt. This is known as pscyhoneurocardiology.

In this sense, relationships extend beyond the emotional realm. They are deeply biological, shaping the way our bodies function at a fundamental level.

Therefore, relationships are not separate from the foundations of brain and body health—they impact all of them.

 

Integrating Essential Oils into Brain and Emotional Health

Incoroporating essential oils intentionally as part of a broader therapeutic strategy aligns with both functional and naturopathic medicine for a variety of reasons.

Essential oils interact with the olfactory system, which directly connects to the limbic system and hippocampus—the areas of the brain involved in mood, memory, and emotional processing.

In fact, oils, such as lavender, citrus oils, peppermint, and rosemary, have been studied for their potential effects on stress reduction, mood support, and cognitive function. These effects may occur through modulation of neurotransmitters, influence on autonomic nervous system tone, and changes in perceived stress.

Our aromatic allies also aid autonomic nervous system tone and emotional processing.

Additionally essential oils can used to support heart coherence and emotional regulation, aiding human connections and heathier relationship patterns.

Finally, their biochemical compounds can address underlying physiological imbalances affecting brain and body health.

 

Moving Forward: A More Integrated Approach

The foundations of brain health are essential—but they are only the beginning to optimizing wellness.

Lasting change comes from how those foundations are integrated with one another, with underlying physiology, and with the broader context of a person’s life, including social connections and their environment.

When we begin to view the body as an interconnected system rather than separate parts, we create the conditions for more sustainable improvements in how we think, feel, and function.

 

For additional information on enhancing brain resilience, you can explore the full guides on brain-focused nutrition, movement as medicine, mindset as medicine, smell to rewire the brain, and access my Brain Health Supplement Protocol for targeted support.

And, if you want some ideas for enhancing your brain health in your local area, read my blog, “ Feeling Off Despite Healthy Habits? A Holistic Brain Health Guide.”

 

 References

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• Mayer EA. Gut feelings: the emerging biology of gut–brain communication. Nat Rev Neurosci. 2011;12(8):453-466.
• McEwen BS. Central effects of stress hormones in health and disease: Understanding the protective and damaging effects of stress and stress mediators. Annu Rev Med. 2016;67:1-22.
• Holt-Lunstad J, Smith TB, Layton JB. Social relationships and mortality risk: a meta-analytic review. PLoS Med. 2010;7(7):e1000316.
• Koulivand PH, Khaleghi Ghadiri M, Gorji A. Lavender and the nervous system. Evid Based Complement Alternat Med. 2013;2013:681304.
• Valentine N, et al. Can integrated care interventions strengthen primary care and improve outcomes for chronic disease? A systematic review and meta-analysis. Health Res Policy Syst. 2024;22:XX.
• Damery S, et al. The effects of integrated care: a systematic review of UK and international evidence. BMC Health Serv Res. 2016;16:553.
• Baxter S, et al. Siloed mentality, health system suboptimization and the healthcare symphony: a Canadian perspective. Health Res Policy Syst. 2024;22:68.
• Whole Health and Functional Medicine in 2023 and Beyond.
  The Institute for Functional Medicine. Podcast December 2023. https://www.ifm.org/podcast/whole-health-functional-medicine-2023