Video answer: Holding your breath while scuba diving | here's why you shouldn't!
Top best answers to the question «Why not to hold your breath when scuba diving»
The air in your lungs becomes unsafe when you ascend. If you hold your breath while ascending to the surface, your lungs and the air within them expand as the water pressure weakens… There are no good reasons to hold your breath on a dive, so don't let yourself get into the habit!
Video answer: Why not to hold your breath while scuba dive