Neuromodulation is advancing toward precision physiological control. A randomized, double-blind, sham-controlled trial has confirmed the efficacy of transcutaneous auricular vagus nerve stimulation (taVNS) in suppressing systemic inflammation. By applying 80 Hz pulses to the cymba concha for 30 minutes, researchers observed a 22% reduction in TNF-α and a 15% reduction in IL-6. These results were achieved without pharmaceutical intervention. The data reveals a critical distinction: taVNS modulates the immune system without impacting heart rate variability or baroreflex sensitivity. This indicates the stimulation bypasses cardiac vagal tone entirely. Functional MRI confirms the mechanism involves the nucleus tractus solitarius (NTS). This activates a splenic nerve cholinergic pathway that inhibits macrophage cytokine release at the source. This non-invasive approach provides a blueprint for treating chronic conditions like rheumatoid arthritis and IBD. It represents a paradigm shift toward targeted bioelectronic medicine - even possible further applications in preventing Alzheimer's from developing in the first place. Very big news ! https://pmc.ncbi.nlm.nih.gov/articles/PMC12960021

Zenbud (https://zenbud.health/) is a low intensity focused ultrasound (LIFU) wearable that targets the auricular branch of the vagus nerve at the cymba concha (just above the ear canal opening). It uses a 5.3 MHz ultrasound frequency that pulses at 41 Hz. Sessions last for 5-30 minutes. They did a preliminary clinical trial (no control group) with 28 patients who have anxiety (https://pmc.ncbi.nlm.nih.gov/articles/PMC12671299/). Each day for 4 weeks they stimulated the ear for 5 minutes. 93% of the patients had decreased anxiety, 89% were less depressed, 82% had reduced PTSD symptoms and 65% had improved sleep quality. Interesting to note that a pulse rate of 40 Hz is one of the target pulse frequencies that @Sterling Cooley will be adding to his modified US-2000 Pro.

You got your device (hopefully from the pinned post above! 👆), and now you're staring at it thinking, "Okay... but where does this thing actually go on my neck?" It is the second most common question I get, and the answer is critical. Slapping the ultrasound on the wrong spot is like trying to charge your phone with the wrong cable—it just won't work, and you might get a weird error message (dizziness, tingling, etc.). I have built a whole module dedicated to this, complete with diagrams and a video guide. It covers the exact anatomy, the "mirror trick," and how to avoid overstimulation. 👉 [CLICK HERE FOR MODULE 3: Ultrasound Setup & Neck Placement] The "Cheat Sheet" Before You Click: Since you are here asking for pictures, here is a quick preview of what is waiting for you inside that module so you can get it right the first time: 1. The Setup (Don't Skip This!) - Gel is Boss: Do not turn the device on without it. It is not lotion; it is the conductor. - Warm it Up: Cold gel is a shock to the system. Warm the bottle in your hands first for a spa-like vibe. 2. The "Sweet Spot" Placement - The Location: It is on the left side of your neck (you can do the right side ONLY when you're absolutely sure you can find the left side Vagus Nerve). - The Landmarks: You are aiming for the point between the crease behind your jawline, the bottom of your earlobe, and the big neck muscle (sternocleidomastoid). - The Mirror Trick: Use a mirror to watch the placement. If you feel a tingle or your voice wobbles, you are hitting a nerve—move slightly inward (towards your windpipe). 3. The 5-Minute Goldilocks Rule - Minute 0-1: Level 1 (Gentle introduction) - Minute 2-3: Level 2-3 (Building warmth) - Minute 4-5: Level 4 (The "Ahhh" zone) - Red Flag: Nausea or headache? Stop immediately and sip cold water. Bonus: When to Do It (Module 4 Sneak Peek) Timing matters! Most people love this before bed for deep sleep, but you can also do a low-intensity session in the morning for "alert calmness" without the jitters.

Has anyone read The Great Nerve: The New Science of the Vagus Nerve and How to Harness Its Healing Reflexes by Dr. Kevin Stacey? It is written by a pioneer in our understanding of the vagus nerve and in its therapeutic stimulation (through electrical stimulation). Chapter 7 focuses on ultrasound therapies. I found the book very informative. Seems very complementary and validating to the information provided in this Skool. Link to book: https://a.co/d/0f2OQPvr)

Why aren't you stimulating your Vagus Nerve (with Ultrasound) yet ? Recent clinical research confirms a powerful synergy between Vagus Nerve Stimulation (VNS) and hippocampal activity, revealing a "turbo-boost" for human memory consolidation. In a study of 18 epilepsy patients, researchers synchronized VNS with high-frequency hippocampal stimulation during spatial tasks. The results were stark: memory accuracy improved by 28%, while long-term potentiation (LTP) increased by 42% in stimulated synapses. The mechanism involves the locus coeruleus. VNS triggers noradrenergic release, which, when paired with hippocampal pulses, upregulates BDNF and Arc expression. This facilitates Hebbian plasticity, essentially locking in memories with higher precision. By strengthening theta-gamma coupling, this dual-stimulation approach provides a precise methodology for reversing cognitive fade. This transition from epilepsy treatment to memory enhancement provides a critical roadmap for future Alzheimer’s therapies. https://pubmed.ncbi.nlm.nih.gov/41759686