When diving doubles you will need to use your wing/BCD to compensation. Typically you can't control your buoyancy only with a drysuit with steel doubles and stage bottles so you will need to use your wing to offset buoyancy.
The structure of the throat is designed to prevent food from entering the lungs. Photo Credit matthewennisphotography/iStock/Getty Images. When food enters the lungs instead of the esophagus, it affects breathing and can cause choking and other problems.
Antioxidants neutralize free radicals and prevent cellular damage from occurring. Vitamin E is one of the most powerful antioxidants, but your body can't produce it, which means you have to make sure you're getting enough of this valuable nutrient in your diet.