When Barbara Parshley went to church last month, she was unable to stay for the entire sermon. Another congregant was wearing such strong-smelling perfume that Parshley had to leave. “I made it through the first hour,” Parshley, 70, who lives in Wilder, Idaho, said. “But by the second hour, I was wheezing and my lungs felt like they had a hot iron on them. It was horrible. I came home.” That spritz of perfume or cologne has been specially designed to entice others with its sweet smell. But most of us don’t realize that each time we apply scented products to our skin, hair, or body, these products may emit noxious chemical vapors into the air. And even if you don’t have an extreme reaction like Parshley, these sweet-smelling chemicals may be souring your health. What Are VOCs? The fragrant odor you are smelling comes from chemicals called volatile organic …