Inhaling helium may seem fun because of the voice change it causes, but it carries significant risks. Although helium is not toxic, it displaces oxygen from the lungs, which can lead to hypoxia (lack of oxygen), causing dizziness, fainting, brain damage, or even death in extreme cases. Inhaling directly from pressurized tanks is especially dangerous, as the pressure can damage the lungs or cause gas embolism. In addition, the sudden lack of oxygen can cause fainting and falls. While an occasiona