Scuba Diving: Experience Is The Best Teacher

It is probably just as well that David Greising's dream business scuba trip didn't work out ("Diving right into scuba," Personal Business, Aug. 16). He could have ended up dead. When making an emergency ascent, you do not "hold your breath through 30 feet of water" but, rather, continually exhale. From that depth, the pressurized air in your lungs would expand to twice its volume, causing them to explode.

To continue reading this article you must be a Bloomberg Professional Service Subscriber.