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A. A Study Finds One's Neighborhood May Affect Asthma

Narrator: This is Science Today. Factors such as educational level, housing status and other socioeconomic factors have been thought to affect the health of people with asthma, but a University of California , San Francisco study of adults with asthma has found that one's neighborhood and surrounding area may also play a crucial role. Dr. Paul Blanc, a professor of medicine, led the study.

Blanc: What's been seen in the past generally is that there's greater asthma severity in the areas of urban poverty, but there are very few studies that have looked at both area socioeconomic status and individual socioeconomic status combined, we had the luxury of having both simultaneously.

Narrator: While the study showed worse health and poorer quality of life among those living in lower-income areas, they also showed poor lung function among those living in the suburbs.

Blanc: If I had to say what the bottom line of our study is, essentially no man is an island. It's not just you in isolation. There are other people around you and other human activities around you and those can relate to and impact your health status.

Narrator: For Science Today, I'm Larissa Branin.