Food-stuffs and all materials which are combustible; for example, wood, coal, peat, oil, natural gas and such organic ... either particles the size of atoms, probably of helium, or stili smaller ...

WASHINGTON — U.S. health officials are tracking a rise in injuries tied to the misuse of nitrous oxide, or laughing gas, including some brands that are sold in small canisters containing flavors ...

The gas, sold in flavored canisters, can lead to dangerously low blood pressure and loss of consciousness. Teens and adults misuse these products to get high. The FDA has issued warnings about the ...

FDA Warns of Misuse of Laughing Gas Sold in Colorful, Flavored Canisters WASHINGTON (AP) — U.S. health officials are tracking a rise in injuries tied to the misuse of nitrous oxide, or laughing ...