Predicting co-morbidities in chemically sensitive individuals from exhaled breath analysis

Area of Science:

• Environmental Health
• Toxicology
• Analytical Chemistry

Background:

• Patients with chemical sensitivity often present with multiple co-morbid conditions.
• Understanding the physiological basis of chemical sensitivity is crucial for effective treatment.

Purpose of the Study:

• To analyze the chemical composition of exhaled breath in patients with chemical sensitivity.
• To investigate the relationship between breath volatile organic compounds and co-morbidities.

Main Methods:

• Gas chromatography and mass spectrometry were used to analyze volatile and semi-volatile organic compounds in exhaled breath.
• Over 400 patients with chemical sensitivity conditions were studied.

Main Results:

• Exhaled breath predominantly contained lipophilic aliphatic and aromatic hydrocarbons, even at non-toxic concentrations.
• Hydrophilic compounds were primarily natural metabolites.
• Lipophilic compounds, potentially from air pollution, were present at levels below toxicity thresholds but induced sensitivity.

Conclusions:

• Chemical overload in sensitive individuals may result from sequential absorption of lipophilic and hydrophilic compounds.
• Exhaled breath analysis may predict co-morbid conditions in chemically sensitive individuals.