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.
However, when you lower your carb intake, your body is pushed into ketosis. Keto is a natural process which we rely on when our food intake is low for an extended period of time. It helps us continue to thrive. While in ketosis, your body produces ketones from breaking down fats in your liver.