How did these people die? I saw this in my local news blog this a.m., it caught my

[Nitram]

7. No, if you read the article at your link, it only causes contact burns to the skin.

It turns to a gas immediately once it is is released from inside a pressurized container and is no longer cold enough to harm you unless you re actually breathing it in directly from the nozzle. The injuries mentioned in that article I believe are due to breathing a high concentration of nitrogen, causing oxygen starvation.

Nitrogen is not toxic unless it is breathed in at great pressure (100 feet or more) below the ocean surface during a scuba dive. At 300 feet, nitrogen narcosis can cause symptoms that can lead to death. Spending too much time at depths of 30 feet or more can also result in crippling damage to muscles when a diver returns to the surface and bubbles of nitrogen escape the bloodstream and damage surrounding tissues.