CPAP machines help people with trouble breathing, but they aren't made to replace ventilators. Here's how they compare.

Every night, millions of people stop breathing without knowing it. Not once, but sometimes hundreds of times. Their remedy? A mask, a hum and the steady whisper of pressurized air. It's not glamorous, ...

Worried about looking and sounding like Darth Vader while using a CPAP machine? Fear not — CPAP (continuous positive airway pressure) technology — has come a long way since its inception in the early ...