You're a good diver. You could be better. We've got 101 tips that will you safer underwater.

Most divers are never taught proper deco technique in traditional diving courses. The key to responsible decompression dives is planning and preparing for the things that can go wrong.

Is it carbon dioxide buildup, sinus trouble, tension or decompression illness that's crunching your skull?

Are you able to scuba dive with a cold? And how to tell if you're too sick to go scuba diving.

Nitrox may benefit some divers on some dives, but is it for you? Get the facts before you make the switch.

How to double your safety and practice important skills. Bonus: you waste no time, no air.

Divers Alert Network is a 501(c)(3) non-profit medical and research organization dedicated to the safety & health of recreational scuba divers. To become a member call 800-446-2671 or visit diversalertnetwork.org. Mention Priority Code 999RS5.

Experience is a wonderful teacher. Too bad I'm a slow learner. At least you can profit from my mistakes and have a laugh, too.

The answer to diving's age-old question can change every minute. Here's why you can't trust the brochures, the dive guide or your own eyes.