Their average age at death was 50; almost two-thirds (65%; 2137) of these deaths were among men. The cause of death was somatic in 61% (2027) and external in 39% (1273).

Causes of COPD include smoking and long-term exposure to harmful irritants—chemical fumes, dust, and pollution. The airways become inflamed and swollen.

The causes of ADHD are not fully understood. As with other mental health and behavioral disorders, genes likely play a role, but recent research also implicates exposure to environmental toxins ...