article_snippet.sent: Feelings of euphoria, relaxation and calmness.
article_snippet.sent: Dizziness, difficulty in thinking straight and fits of giggles/laughter.
article_snippet.sent: Sound distortions or even hallucinations.
article_snippet.sent: In some people, a headache can be an unwanted immediate effect.
article_snippet.sent: Unconsciousness or death from lack of oxygen.