Continued from page 1

But Walter Olsen, a senior fellow at the Cato Institute, said that for years people have been playing with helium and science teachers have inhaled the gas to demonstrate its effects on the vocal chords. Anything can be abused and he suggests knowing the risks instead of making policy or passing law.

“Small risk is worth knowing about, but it’s not worth rearranging our whole lives around,” Mr. Olsen said.