Homeless Addicted Man Seen “Huffing” In Honeygrow Restaurant. Huffing, also known as inhalant abuse, can have serious and potentially life-threatening effects on the body and brain. Here are some of the possible effects of huffing: Short-term effects Euphoria and disorientation: Huffing can produce a feeling of euphoria, disorientation, and confusion. Dizziness and loss of coordination: Inhalants can cause dizziness, loss of coordination, and stumbling. Nausea and vomiting: Huffing can lead to n