What is it?
If it is potent, nitrous oxide can cause asphyxiation, so it is mixed with oxygen. Any of this gas given to you by a medical professional must be at least 30% oxygen, although most use 50%-70% oxygen.
How is it ingested?
Short-term effects of the drug include a feeling of relaxation, loss of stimulation, and lack of motor control.
Long-term effects can include falling unconscious, injuries due to lack of coordination, and neuropathy.