Scientists linked chronic fatigue and MCAS to a deficiency in butyrate-producing bacteria. The Path Back to Safety by Angela Ashton now available on Amazon. MCAS, CFS, Gut Microbiome

Mast cells are a type of immune cell that protect your body from perceived threats. They release chemicals like histamine, cytokines, and other inflammatory mediators to trigger inflammation, alert the body to danger, and help heal injuries.

Mold-related illness is often misunderstood because it does not affect everyone in a household the same way. One person may develop significant symptoms while others seem relatively unaffected. That difference does not mean the exposure isn’t real. It reflects differences in immune regulation, genetic susceptibility, total toxic load, and nervous system resilience.