My view from the inside. As you can see, it’s actually pretty roomy in here. My ears were popping at first, but now I’m comfortable enough to take a nap for the next 45 minutes. Apparently, the increased oxygen helps strengthen all of the systems in your body. With more oxygen circulating, your immune system and heart are stronger and more efficient to prevent and fight diseases such as cancer. The video I linked to in the post below says that many parents are using the chambers to treat their austistic children.