Several studies indicate that 15-30% of the general population report some sensitivity to chemicals, including fragrances, and 4-6% report that chemical intolerance has a major impact on their quality of life. Healthy House Institute reports on scents and sensitivity with a well-researched, detailed article covering the problems with synthetic fragrance and the impact on health. The full article is well worth your time to read, and I think would be an excellent resource for you to show
