Bulletproof Radio

This week's stories: *Bartonella Hides in Cat Scratches — and It Might Be Why You Feel Like Garbage A stealth bacterial infection transmitted by everyday cat scratches and flea dirt has been quietly linked to chronic fatigue, brain fog, and neurological symptoms for decades. Dave breaks down how Bartonella slips past standard testing, why it's almost never on a conventional doctor's radar, and the specific PCR protocol you need to actually find it. Sources: https://pubmed.ncbi.nlm.nih.gov/  *High Tyrosine Levels May Be Cutting Years Off Men's Lives A Mendelian randomization study of 270,000 UK Biobank participants found that elevated tyrosine is causally linked to nearly a full year of lost lifespan in men — with zero effect in women. The culprit appears to be an inflammatory oxidation pathway that men metabolize very differently. Dave examines what this means for every guy stacking L-tyrosine nootropics or eating high-p