Scifactism on Instagram: "Inhaling helium may seem harmless or entertaining because of the funny voice it creates, but it comes with serious dangers. Helium itself isn’t toxic, yet it replaces the oxygen in your lungs, which can lead to hypoxia—a shortage of oxygen in the body. This lack of oxygen can cause dizziness, fainting, confusion, and, in severe cases, brain damage or death. Breathing helium directly from a pressurized tank is especially risky, as the strong pressure can injure the lungs