In addition, people who have been subjected to secondhand smoke during childhood and teenage many years are at a higher hazard of developing COPD of their adult a long time. It's because exposure to secondhand smoke in kids and youths can slow the process of lung growth and enhancement [31]. https://bestassignmentwritingserv19245.blogs100.com/23899460/the-fact-about-copd-prevalence-us-that-no-one-is-suggesting