NEET BIOLOGY

Detailed explanation-1: -Air pollution in Mexico City, and especially that from PM 2.5, has particularly dramatic effects on work. As we detail in a study of the problem, the roughly 3.5 million workers in the metropolitan area of Mexico City lose an average of 7.5% of their working hours on days of very high PM contamination.

Detailed explanation-2: -How Does Air Pollution Affect the Lungs? Breathing in air pollutants can irritate your airways and may cause shortness of breath, coughing, wheezing, asthma episodes and chest pain. Exposure to air pollution puts you at risk for lung cancer, heart attacks, stroke and in extreme cases, premature death.

Detailed explanation-3: -These air pollutants are mostly generated from human activities such as burning fossil fuels in power plants and vehicle emissions. In the 80s, there were about 124 cars per 1, 000 residents. Although this number might not seem particularly high, these cars were made in poor quality and ran on very toxic fuel.

Detailed explanation-4: -Air pollution is associated with a broad spectrum of acute and chronic illness, such as lung cancer, chronic obstructive pulmonary disease (COPD) and cardiovascular diseases.

Detailed explanation-5: -Population growth, increasing motorization and industrial activities, a constrained basin and intense solar radiation combined to cause intense air-quality problems of both primary and secondary pollutants.