North American respiratory drug market was $18.0 billion in 2018 and is anticipated to grow at a substantial rate of 7.6% during the forecast period. The major factors that are contributing significantly to the market growth include rising air pollution, growing geriatric population, and high healthcare expenditure. The US and Canada are the major economies of North America. The rising prevalence of chronic respiratory diseases, increasing geriatric population, and technological advancement are ... Read more