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.
Malabsorption can prevent the body from receiving important nutrients. Foods known to cause symptoms should be avoided. Otherwise, a generally healthy diet should be followed. Limit your intake of fat to 30% of your total calories.