Inhalants are toxic vapors from substances like cleaning products and paint thinner that slow the body's functions. Short term effects include slurred speech, dizziness, and hallucinations. Long term use can cause muscle weakness, brain damage, and heart or lung damage. Repeated inhalation can cause sudden death from heart failure within minutes, called sudden sniffing death. Younger children abuse inhalants more than older children, and signs of abuse include red nose and loss of appetite.