Final answer:
The passage is intended for the general public and aims to inform them about the causes, effects, and treatments of asthma.
Step-by-step explanation:
The intended readers of this passage are the general public, as it provides information about asthma in a way that is easy to understand.
The main purpose of this selection is to inform readers about the causes, effects, and treatments of asthma. It explains that asthma is a chronic disease that affects the airways of the lungs, causing symptoms such as wheezing, breathlessness, chest tightness, and coughing. It also mentions that there is no cure for asthma, but it can be controlled through medication and avoiding triggers.
Overall, this passage aims to educate the general public about asthma and provide them with knowledge on how to manage the condition.