While people are running from pillar to post for portable oxygen cylinders for medical purposes, its online sale has seen a huge surge. Dealers say they saw demand surge by four times in the last four ...

Various forms of lung disease can lead a doctor to prescribe your loved one a portable oxygen device. When our lungs are healthy, they work just fine with the 21 percent oxygen content of the air that ...

Almost anything is for sale on Amazon -- even portable oxygen concentrators (POCs), which usually require a prescription to obtain. But respiratory medicine specialists are warning that these over-the ...

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 ...

Oxygen used in the medical setting is separated using several different methods including chemical reaction and fractional distillation. This oxygen is then either used immediately or stored for ...