In the 1960s few would have believed that smoke-free workplaces would before long become the norm. Could fragrance-free workplaces be the wave of the future? A CDC policy bans the use of air fresheners and scented candles in every CDC facility in the country. This policy states: “The use of some products with fragrance may be detrimental to the health of workers with chemical sensitivities, allergies, asthma, and chronic headaches/migraines.” The full CDC policy can be viewed on the website of the Chemical Sensitivity Foundation, which contains information about multiple chemical sensitivity (MCS), including a research bibliography. Individuals with...