A nasal cannula is a medical device that provides supplemental oxygen therapy to people who have lower oxygen levels. There are two types of nasal cannulas: low flow and high flow. The device has two ...

Jessica Booth is a New York-based freelance writer who regularly writes about health, wellness, parenting, food, travel, beauty and more for a variety of publications. She currently writes for Forbes ...

More than 1.5 million Americans use an oxygen concentrator for supplemental oxygen therapy. Oxygen concentrators can be rented or bought, depending on whether you are using it for short-term therapy ...