The pressurized chamber delivers concentrated oxygen that can help heal wounds, infections and burns, as well as improve other medical conditions Cara Lynn Shultz is a writer-reporter at PEOPLE.

Anthony Rossi, a dermatologist in New York, says hyperbaric oxygen therapy stimulates blood vessel growth, which helps heal wounds and burns ... as we age. Is 'color analysis' real?

The acronym stands for excess post-exercise oxygen consumption, and it refers to the increased level of O2 your body consumes and calories it burns in order to recover from working out.