You’re probably used to hearing about breathalyzer tests as they relate to alcohol, but researchers at London’s Imperial College are looking at them in a different light: as a way to detect ...

The way Mark Krems sees it, there are two types of breathalyzers — one costs $1, the other costs $10,000. Krems and his son, Freddy Krems, the owners of a Scottsdale-based company called Blo-Safe, ...

The first breathalyzer for motorists was called the " drunkometer ", and it was patented in 1936. Since that time, it's since become a common piece of equipment in the arsenal of law enforcers.