WINONA Minn. – Police cited a Winona man for huffing difluoroethane, which can cause can altered state. Officers said that Richard Lee Cairns Jr., 53, appeared in a stupor. This was about 4 p.m. on a bench at Mankato Avenue and Shive Road. A couple hours later Cairns had a new aerosol can of Blow-Off duster next to hm, police said. An ambulance was called this time for the crew to check him out medically. He then was ticketed a second time.
Definition: Huffing
Blow-Off and other brands of condensed air in aerosol cans are marketed for dusting keyboard and other hard-to-clear surfaces. What causes a high is the ingredient difluoroethane, which hardly is harmless. Difluoroethane can cause coughing and wheezing, headaches, dizziness, light-headedness, loss of consciousness, and a build-up of fluid in the lungs, known medically as pulmonary edema.

Duster. Typically $6 to $8 a can.