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The result: • Increased fat oxidation (Cell Metabolism) • Better insulin sensitivity (Diabetologia) • Lower visceral fat AMPK is the same pathway targeted by drugs like Metformin. Thomas DeLauer

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NICOTINE: The Most Lied-About Molecule in Medicine They let us believe it causes cancer. They didn't tell us that it enhances focus, improves metabolism, and protects your brain. Time to expose the real story and the science Big Pharma buried 🧵:

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1. Nicotine is not the same as Smoking Nicotine is not the villain. Smoke is. It’s a natural compound found in tomatoes, potatoes, and eggplant. Its structure closely resembles acetylcholine, your brain’s signal for calm focus. @hubermanlab

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Nicotine binds to receptors called nAChRs. These regulate: • Dopamine (motivation) • Glutamate (learning) • GABA (relaxation) • Serotonin (mood) This isn’t just an addictive molecule. It’s a fast-acting neural modulator.

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2. Cognitive Effects Nicotine improves cognition almost immediately. It boosts: • Working memory (UCLA, 2012) • Attention span (Nature, 1998) • Processing speed (Psychopharmacology, 2000) But how? @maxlugavere

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It amplifies signals in your prefrontal cortex. The part of the brain that handles focus, judgment, and working memory. It sharpens thought without overstimulation.

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3. Brain Protection Nicotine increases BDNF, a protein involved in memory, plasticity, and brain repair. BDNF: a protein involved in brain repair and learning

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Higher BDNF levels are linked to stronger long-term cognition. • 30% lower Parkinson’s risk (Annals of Neurology) • Delayed Alzheimer’s onset (J. Neurochemistry) • Fewer Tourette’s symptoms (NEJM) This isn’t fringe science. It’s peer-reviewed and reproducible.

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Nicotine also reduces brain inflammation by modulating microglia. Microglia are immune cells that clean up cellular damage. Less inflammation = slower cognitive decline.

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4. Metabolic Benefits Nicotine activates AMPK. It's an enzyme that tells your cells to burn fat and use energy more efficiently. It mimics fasting signals at the cellular level.

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5. Why You Never Heard This: Because you weren’t supposed to. 3 reasons: A. Guilt by association: Smoking harms but nicotine isn’t smoke. B. Regulatory bias: The FDA approves synthetic drugs (like varenicline) but denies benefits of natural nicotine. And finally..

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C. Pharma profits: Nicotine patches and gum generate over $1.3 billion per year. After the 1998 tobacco settlement, public health messaging was legally bound to portray all nicotine as harmful, regardless of delivery method. Even patches and gum.

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I wish someone had explained this to me 20 years ago. It would’ve changed how I saw caffeine, nicotine, even ADHD meds. We were told to fear nicotine. Then prescribed drugs that work the same way, but with more side effects.

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6. How to Use It Safely Nicotine isn’t harmless. But it can be used strategically. Clean delivery methods: • Patch • Gum • Sublingual tablets Avoid: • Cigarettes • High-dose vapes • Daily use without breaks Start low: 1–2 mg per session Use 2–4x per week Cycle to avoid tolerance Avoid if hypertensive, pregnant, or highly anxious. Not for anyone under 21. Nicotine can disrupt brain development and increase addiction risk in adolescents. Disclaimer: It's not for everyone. Do your research and make sure it's safe for you.

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The Bottom Line: Nicotine isn’t harmless. But it’s not what you were told either. Do your research. If this thread challenged what you’ve been told, it did its job. Follow @DrShayanSen for more evidence-based threads. Bookmark & share it if it made you think.

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How to ACTUALLY reverse Insulin Resistance That frustrating diagnosis of insulin resistance means the old rulebook for your body is obsolete. What once worked to manage your weight no longer applies. The good news? The new playbook for metabolic recovery doesn’t demand superhuman willpower. As Dr. Annette Bosworth (Dr. Boz) clarifies, reversing insulin resistance hinges on three fundamental shifts. First, track insulin, not calories. The primary lever is your insulin response, not energy units. Carbohydrates trigger the most significant insulin spike, protein a moderate one, and fat the most negligible. In a low-insulin state, dietary fat becomes a powerful metabolic fuel. The directive: embrace fat and restrict carbs to under 20 grams daily. Second, don't eat after dark. The timing of your fat-based meals is critical. Consuming food after sunset carries a heavier metabolic penalty for those with insulin resistance. The golden rule: lengthen the interval between your last bite and bedtime to optimize next-day insulin sensitivity. Third, "measure it if you want to change it." Since you can't easily test insulin directly, Dr. Boz recommends tracking its two most controlled molecules: glucose and ketones. Her innovative "Dr. Boz Ratio" (Glucose ÷ Ketones) serves as a powerful proxy. A lower ratio signals lower insulin, and the ideal time for this measurement is first thing upon waking. The path to reversing insulin resistance is not about deprivation, but about strategic, informed choices.

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