How many people in the united states are diagnosed with bronchitis each year?

In 2016, more than 8.9 million Americans were diagnosed with chronic bronchitis and nearly 75 percent of cases involved people over the age of 45. In the United States, women have chronic bronchitis at almost double the rate of men.

This might have changed in the past years.

Bronchitis is inflammation of the bronchi, the air pathways to the lungs. In 2016, more than 8.9 million Americans were diagnosed with chronic bronchitis and nearly 75 percent of cases involved people over the age of 45. Have a Awesome Day!

b and d are your answers i just answered this question