Occupational and Environmental Health Practice Exam 2026 – Your Comprehensive All-In-One Guide to Mastering Disease and Injury Prevention!

The estimated burden of disease related to urban air pollution is 6.4 million DALYs, according to the World Health Organization. This means that air pollution in urban areas leads to a total loss of 6.4 million years of healthy life. This number is a result of various health impacts, including respiratory diseases, cardiovascular diseases, and lung cancer.

Option A, 2.1 million DALYs, is incorrect because it underestimates the impact of urban air pollution on global health. This number may be indicative of a specific region or country, but not as a global estimation.

Option C, 10 million DALYs, is also incorrect because it overestimates the impact of urban air pollution. While air pollution is a major global health issue, it is not currently responsible for 10 million DALYs.

Option D, 15.2 million DAL