No. 7 in our dive-medicine series, "Ask DAN": Diabetes. For more information on scuba diving health, medicine and fitness, visit scubadiving.com

From the September, 2008 issue of Scuba Diving Magazine. Why We Dive

Navigate enchanted kelp forests in cool waters.

One of its most beautiful national sanctuaries.

How photo basics build the foundation for great underwater images.

DEMA attendees were able to visit the ocean floor from the tradeshow floor.

Key Biscayne is nirvana for "wreckreational" divers.

Chuuk Lagoon is home to nearly 60 world-class wrecks.