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This study examines the prevalence and clinical characteristics of chemical intolerance in a sample of primary care clinic patients. A total of 400 patients were recruited from 2 family medicine clinic waiting rooms in San Antonio, Texas. Patients completed the validated Quick Environmental Exposure and Sensitivity Inventory (QEESI) to assess chemical intolerance Overall, 20.3% of […]

Up to one-third of the U.S. population reported being either “especially” or “unusually” intolerant to certain chemicals, with about 5% reporting physician-diagnosed chemical intolerance (CI). Dr. Claudia Miller and colleagues developed the Environmental Exposure and Sensitivity Inventory (EESI), a validated tool designed to assist researchers and clinicians in evaluating patients and populations for CI. In this study, Drs. Miller and Prihoda applied the EESI to five different population groups for comparison. Groups were CI patients (1) who did or (2) did not attribute onset of their illness to a specific exposure event, (3) patients with surgically implanted devices, (4) Gulf War veterans (GWV), and (5) controls. All of the exposure groups reported similar multi-system symptoms and new onset chemical, food and drug intolerances despite having different initiating exposures.

This blog summarizes key findings from a study conducted by Lynne P. Heilbrun et al. (2015) titled “Maternal Chemical and Drug Intolerances: Potential Risk Factors for Autism and Attention Deficit Hyperactivity Disorder (ADHD).” To access the full article, please click HERE.  Developmental disorders such as autism spectrum disorders (ASD) and attention deficit hyperactivity disorders (ADHD) […]

A new study published by Environmental Health Perspectives takes a look at the risks of chemical exposures to neuro-development. Many of the toxicants listed are the same ones linked to chemical intolerance and Toxicant-Induced Loss of Tolerance.