In 2010, when I was 18, a sleep study confirmed what kids at sleepovers and camp, and my freshman-year dorm mate who slept with headphones blaring heavy metal, already knew: I snored, and very loudly.

Various lung conditions make it harder for people to breathe, resulting in shortness of breath, wheezing, and chronic coughing. There are a variety of treatments available to help patients breathe ...