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Your Doctor Thinks It’s Anxiety. It Might Be a Bacterial Infection They Never Considered.

Researchers now link this stealth pathogen to brain fog, chronic fatigue, depression, and psychosis. Standard blood tests often miss it.

Apr 23, 2026
∙ Paid

Medicine is very good at diagnosing what it already knows to look for. It’s much worse at catching what it doesn’t expect.

Bartonella is one of those blind spots.

It’s a bacterial infection transmitted by cat scratches, flea bites, ticks, and lice. Doctors know it as the organism behind cat scratch disease, a short-lived illness that resolves on its own. What they are not telling you, because most of them don’t know, is that there is growing evidence Bartonella can persist in your body far longer than previously believed, interfere with your brain’s immune system, and produce symptoms that overlap with anxiety, depression, chronic fatigue, and even psychosis, while every standard blood test comes back negative.

I’ve spent decades tracking down the hidden biological factors that wrecked my performance. Mold was a major one. Infections that nobody tested for were another.

In the paid section you’ll learn:

  • What Bartonella actually does inside your body and brain

  • The studies linking it to brain fog, fatigue, psychiatric symptoms, and neurological disease

  • Why standard testing often misses it, and what to ask for instead

  • What to do if you think this could be relevant to you

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