MONDAY, Aug. 14, 2017 (HealthDay News) -- High levels of air pollution can harm heart health, but air purifiers may protect against the threat, according to a small study from China.
The study included 55 healthy college students who used real or fake air purifiers in their dormitory rooms. Researchers measured the students' indoor and outdoor exposure to fine particulate matter (PM2.5), a component of air pollution emitted from vehicles, factories, power plants, fires and smoking.
Exposure to high PM2.5 levels increased students' stress hormones and triggered metabolic changes that may increase heart disease risk, the researchers said.
Full ArticleMore than 67 million americans suffer from allergy symptoms, including hay fever. But, what is an allergy? What is an allergic reaction? What are common allergy symptoms? What allergy treatments are available?
Full ArticlePollen is one of the most common allergens in the United States. Pollen is an airborne allergen, which is picked up and carried by the wind. Various trees, grasses and weeds create pollen, which can cause hay fever, irritate your eyes and skin.
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