Your ability to tolerate aged cheeses, wine, cured meats, and fermented foods without symptoms. Low tolerance is surprisingly common—and completely manageable once you stop blaming random foods and start seeing the pattern.

Your global histamine tolerance—combining production, breakdown, receptor sensitivity, and transport into one clear picture. This is the master view that explains the whole pattern instead of just individual puzzle pieces.

Immune and detox response to mycotoxins varies dramatically. High sensitivity explains "mystery illness" after moving into a water-damaged building—and why other people in the same space feel fine. Knowledge enables proper remediation and targeted support instead of years of unexplained symptoms.

Detox efficiency for VOCs, exhaust, fragrances, and pesticides varies. Higher-sensitivity individuals feel city air, new car smell, and perfume counters—and often recover dramatically with cleaner environments and air filtration. It's not being "difficult." It's biology.