An Australian research group analyzed electronic cigarette liquids to find out how bad it was for the health of their smokers, and found nicotine in addition to irritating ingredients that could make smokers rethink their smoking.

Over the past few years, the electronic cigarette has seen a significant increase, especially among young people and women. And manufacturers are offering it as an alternative to traditional tobacco cigarettes or shisha.

Some manufacturers are offering nicotine-free biodegradable solutions to reduce the effects of smoking.

The study, conducted by the Children's Telethon Institute and published in the journal Journal of Australia, found that some of these fluids contained human excreta and pesticides. They found that solutions sold through the Internet or stores contained another toxic ingredient, chlorophenol-2, Usually used to dispose of insects or as disinfectant.