PLMI Thought Leaders Consortium 2025: Highlights from Dr. Jeffrey Bland, Dr. David Perlmutter, Dr. Robert Lustig, Dr. Dale Bredesen & more…
How inflammation, redox balance, and immune exhaustion shape brain health — and what functional medicine clinicians can do about it.
Last week’s TruNeura Mastermind unpacked the highlights from the Personalized Lifestyle Medicine Institute (PLMI) Conference on immunometabolism — where leaders like Dr. Jeffrey Bland, Dr. Dale Bredesen, Dr. Robert Lustig, Dr. David and Austin Perlmutter, and Dr. Carrie Jones shared new insights that directly impact how we approach cognitive decline and chronic disease.
Dr. Kristine Burke led the session, translating the science into clear, actionable insights for clinicians.
The Immune System’s Energy Cost
Dr. Bland opened with a striking data point: infection consumes roughly 40% of the body’s total energy. Chronic immune activation, therefore, is not just inflammatory — it’s metabolically expensive.
He also highlighted two emerging markers — the Systemic Immune-Inflammation Index (SII) and Systemic Inflammation Response Index (SIRI) — both derived from a simple CBC with differential.
SII = (Platelets × Neutrophils) / Lymphocytes
Indicates thromboinflammatory patterns linked to atherosclerosis, fatty liver, and insulin resistance.SIRI = (Neutrophils × Monocytes) / Lymphocytes
Reflects macrophage-driven inflammation seen in heart failure, diabetes, and sepsis.
Together, these formulas provide a low-cost, data-rich snapshot of a patient’s inflammatory tone — offering predictive insight into metabolic and cognitive outcomes.
“This is the kind of functional data we can extract from standard labs,” said Dr. Burke. “It’s a way to democratize advanced testing for every clinic.”
Oxidative Stress and the “Obesogen” Model
Dr. Robert Lustig reframed obesity as a toxin-driven redox disorder, not a simple calorie or insulin problem. He emphasized that reactive oxygen species (ROS) are the common pathway connecting environmental toxins, mitochondrial dysfunction, and neurodegeneration.
His key takeaways:
Average human body temperature has dropped 1.6°F over the past 150 years — likely due to reduced mitochondrial activity.
Fructose generates seven times more methylglyoxal (MGO) than glucose, and MGO is 250x more potent in damaging mitochondrial enzymes.
Seed oils themselves aren’t inherently harmful — it’s their oxidation during heating that turns them pro-inflammatory in the body.
These mechanisms link environmental exposures directly to the cellular stress that drives both metabolic disease and cognitive decline.
Neuroinflammation: The Common Thread
Several presenters highlighted the role of microglial and astrocytic activation in neurodegenerative disease. New imaging techniques like TSPO scans show widespread activation patterns across Alzheimer’s, Parkinson’s, and other disorders — reinforcing the central role of neuroinflammation in brain aging.
One astrocyte can interact with up to 2 million synapses, magnifying inflammatory signaling throughout neural networks.
The implication: supporting glial health and redox balance is not optional — it’s foundational for cognitive preservation.
The Immuno-Metabolic Interface
Drs. Aristo and Elroy Vojdani expanded on how immune exhaustion — reflected in a CD4/CD8 ratio < 1 — is increasingly common due to chronic toxic exposure, not just viral infection.
They underscored how nutrient metabolism drives immune gene expression, meaning micronutrient repletion, antioxidant support, and toxin offloading are all immunotherapies in disguise.
“The fuel flexibility of the mitochondria determines the immune response.”
— PLMI Conference insight
Metabolic inflexibility — the inability to switch between glucose and ketones — drives persistent inflammation and impaired T-cell recovery. Restoring that flexibility is both a metabolic and immunologic intervention.
Alzheimer’s and the “Protection Mode” Hypothesis
Dr. Bredesen’s session tied the entire conference together. He described neurodegeneration as a shift from connection mode to protection mode, where inflammation, oxidative stress, and immune activation cause the brain to prioritize defense over regeneration.
In this mode, protective proteins like amyloid beta and phosphorylated tau become prion-like, propagating misfolded signaling and amplifying damage.
“These proteins aren’t villains — they’re defenders caught in a feedback loop,” explained Dr. Burke. “Our job is to restore balance, not wage war on the defense system.”
Bredesen also compared disease drivers:
Alzheimer’s → chronic inflammation + mitochondrial failure
Parkinson’s → mitochondrial complex I dysfunction
ALS → glutamate excitotoxicity
AMD → complement activation and vascular loss
Each is a different expression of the same underlying principle: metabolic injury dictates neurological destiny.
A New Lens for Functional Medicine
As Dr. Burke summarized, these insights validate TruNeura’s core approach: addressing immune activation, metabolic stress, and environmental toxicity together — not as isolated systems, but as one connected network.
And as Dr. James Maskell reflected:
“Optimizing neurobiology is the work of our time. So much of what we experience — from health behaviors to human connection — is downstream of how the brain is functioning.”
The TruNeura Advantage
TruNeura helps clinicians apply these principles in practice — turning complex immunometabolic data into clear, actionable care pathways for reversing cognitive decline and restoring systemic health.
👉 Book a TruNeura Demo to see how our platform helps you integrate immune, metabolic, and neurological data into one cohesive system for better patient outcomes.
If you’d like to attend PLMI in 2026, pre-sale registration is now open. Click here to join.