Most guys over 40 rely on coffee just to survive the day, completely unaware that they are pushing their brains into a frantic, high-stress state that actually destroys deep focus and accelerates cognitive decline. In this video, I reveal the science behind why caffeine is failing you and introduce you to a 4,000-year-old amino acid used by monks to achieve effortless, sustained attention. I'll walk you through the optimal 2:1 biohacking stack that flips your coffee from a nervous, jittery habit into a highly controlled focus weapon. You'll learn exactly how to dose it, when to take it, and how to stop the hidden lifestyle habits that are secretly sabotaging your nervous system, so you can reclaim the mental edge you had in your twenties and stay competitive.Thank you to our sponsors!-HeartMath | Go to https://www.heartmath.com/dave to save 15% off-The One Device | Use code DAVE for $10 off at theonedevice.com/dave-iRestore | Reverse hair loss at www.irestore.com/DAVE and get exclusive savings on the iRestore Elite, use code DAVETimestamps:00:00 – Intro00:21 – Background & Credentials01:28 – How Caffeine Works03:01 – Alpha vs Beta Brainwaves04:06 – The Focus Amino Acid04:55 – What Is L-Theanine05:35 – Quality & Common Mistakes06:51 – Building the Stack08:37 – Lifestyle Foundations10:36 – Rules & GuidelinesConnect with Dave Asprey!Website: https://daveasprey.comTikTok: https://www.tiktok.com/@daveaspreyofficialInstagram: https://www.instagram.com/dave.asprey/Facebook: https://www.facebook.com/Daveaspreyofficial/X: https://x.com/daveaspreyYouTube: https://www.youtube.com/c/daveaspreybprThe Human Upgrade Podcast: https://www.instagram.com/TheHumanUpgradePodcast/ https://m.facebook.com/Thehumanupgrade/Danger Coffee: https://dangercoffee.com/DAVE15Dave Asprey’s BEYOND Conference: https://beyondconference.com/Dave Asprey’s New Book - Heavily Meditated: https://daveasprey.com/heavily-meditated/Dave's favorite supplements: https://www.shopsuppgradelabs.com/discount/DAVE15Upgrade Labs: https://upgradelabs.com40 Years of Zen: https://40yearsofzen.comSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

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“What did the council decide on item 42?” — answered with the speaker and the moment.