How can sulfur dioxide affect my he

How can sulfur dioxide affect my health?
To protect the public from the harmful effects of toxic chemicals and to find ways to treat people who have been harmed, scientists use many tests.

One way to see if a chemical will hurt people is to learn how the chemical is absorbed, used, and released by the body; for some chemicals, animal testing may be necessary Animal testing may also be used to identify health effects such as cancer or birth defects Without laboratory animals, scientists would lose a basic method to get information needed to make wise decisions to protect public health Scientists have the responsibility to treat research animals with care and compassion Laws today protect the welfare of research animals, and scientists must comply with strict animal care guidelines.

Short-term exposures to high levels of sulfur dioxide can be life-threatening Exposure to 100 parts of sulfur dioxide per million parts of air (ppm) is considered immediately dangerous to life and health Previously healthy nonsmoking miners who breathed sulfur dioxide released as a result of an explosion in an underground copper mine developed burning of the nose and throat, breathing difficulties, and severe airway obstructions Long-term exposure to persistent levels of sulfur dioxide can also affect your health Lung function changes have been observed in some workers exposed to 0.4�3.0 ppm sulfur dioxide for 20 years or more However, these workers were also exposed to other chemicals, making it difficult to attribute their health effects to sulfur dioxide exposure alone Additionally, exercising asthmatics are sensitive to the respiratory effects of low concentrations (0.25 ppm) of sulfur dioxide.