Anxiety is the brain’s way of saying:“Something is uncertain, unpredictable, or potentially dangerous.” Importantly, the brain does not distinguish well between: External danger (injury, illness, instability), and Internal danger (bodily sensations, dizziness, fatigue, palpitations, brain fog) To the nervous system, anxiety itself becomes evidence of threat. How Anxiety Triggers the Protective Cascade 1. Anxiety Activates […]
Functional Health
The Brain’s First Job Is Protection—Not Performance
The human brain evolved to answer one primary question before anything else: “Am I safe?” If the answer is yes, the brain allocates energy toward learning, repair, digestion, creativity, and movement. If the answer is no, everything shifts toward protection. This is not a psychological choice—it’s a neurobiological reflex. When danger, uncertainty, pain, inflammation, infection, […]
WHY YOUR BRAIN FEELS “WIRED BUT TIRED”
Understanding Locus Coeruleus Wind-Up and How We Calm It What Is the Locus Coeruleus (LC)? The locus coeruleus is a small structure deep in the brainstem that acts like your internal alarm system. It releases norepinephrine, a chemical that controls: Alertness Focus Stress response Pain sensitivity Autonomic function (heart rate, breathing, blood pressure) Sleep–wake rhythm […]
COMT: The Overlooked Gene That Shapes Mood, Stress and Methylation
When people talk about “methylation genes,” the spotlight almost always lands on MTHFR. But there’s another gene—equally powerful, often misunderstood, and sometimes far more influential when it comes to mood, stress resilience, hormone metabolism, and overall emotional regulation. That gene is COMT. If you’ve ever wondered why some people are deeply affected by caffeine, stress, […]
Chronic Pain: A New Approach
Rewiring Chronic Pain: A Modern Understanding of Pain and Healing By Dr. Michael Veselak, DC | Camarillo Functional Health At Camarillo Functional Health, we believe chronic pain is not a permanent condition—it’s a sign of how your brain and body are communicating. Our approach blends Functional Medicine, Functional Neurology, and advanced restorative technologies to treat […]
When the Gut Doesn’t Heal: Why the Brain-Gut Axis May Hold the Key
Introduction Many patients with persistent digestive symptoms such as SIBO, H. pylori overgrowth, or dysbiosis struggle to find relief. Even after multiple treatments—including antimicrobials, dietary interventions, and probiotics—they still experience bloating, discomfort, or irregular bowel habits. This is often because we focus heavily on the gut itself, overlooking the critical role of the brain in […]

