No. 10 in our dive-medicine series, "Ask DAN": Heart Issues & Cardio Medications. For more information on scuba diving health, medicine and fitness, visit scubadiving.com
What's new in dive gear
Readers' Choice Survey: Top 100 & The Ultimate Live-Aboard Guide to Belize.
Your diving questions answered.
Dive Log: Secret spots & must-see dive classics.
A first look at Michigan's Grand Traverse Bay Underwater Preserve.
The best destinations, dives and deals.
Dive Log: Secret spots & must-see dive classics.
Dive Log: Secret spots & must-see dive classics.