The Human Upgrade: Biohacking for Longevity & Performance

Superhuman Contact Lenses, Motivation Supplement Stack, Cat Scratches Cause Brain Fog, Amino Acid Shortening Lifespan, and more... : 1448

47 snips
Apr 10, 2026
A stealth bacterial infection from cat scratches and flea dirt might explain chronic fatigue and brain fog. New research links high tyrosine to shorter male lifespan and questions common amino acid stacks. Tinted contact lenses that block blue light also cut chromatic aberration and boost visual performance. A taurine plus B‑vitamin stack shows effects on sustained motivation. Simple sensory tricks can reset the nervous system.
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INSIGHT

Stealth Bartonella Explains Chronic Brain Fog

  • Bartonella can hide inside red blood cells and vascular tissue, evading standard antibody tests and causing chronic fatigue and brain fog.
  • Dave Asprey recommends PCR testing because older antibody panels often miss stealth Bartonella infections transmitted by cat scratches.
ADVICE

Measure Tyrosine Before You Supplement

  • Check your plasma tyrosine and phenylalanine if you supplement L-tyrosine or eat high-protein diets, because high tyrosine in men linked to nearly a year lost lifespan in a Mendelian randomization study.
  • Aim for a tyrosine to phenylalanine ratio under 10:1 and order testing from Quest or LabCorp before changing protocols.
INSIGHT

Contacts That Reduce Brain Work From Light

  • Chromatic aberration forces the brain to correct color-focused errors, burning processing energy and reducing visual contrast and motion tracking.
  • Altius tinted contacts cut chromatic aberration ~53% and improve contrast sensitivity 20–30% by filtering at the cornea.
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