About Johns Hopkins

Recent news from The Johns Hopkins University

This section contains regularly updated highlights of the news from around The Johns Hopkins University. Links to the complete news reports from the nine schools, the Applied Physics Laboratory and other centers and institutes are to the left, as are links to help news media contact the Johns Hopkins communications offices.

 

Johns Hopkins Finds Thousands of Unknown Chemicals in E-Cigarettes

Vaping aerosols contain thousands of unknown chemicals and substances not disclosed by manufacturers, including industrial chemicals and caffeine, Johns Hopkins University researchers found.

The study is the first to apply to vaping liquids and aerosols an advanced fingerprinting technique used to identify chemicals in food and wastewater. The results, just published in the journal Chemical Research in Toxicology, suggest people who vape are using a product whose risks have yet to be fully determined and could be exposing themselves to chemicals with adverse health effects.

Johns Hopkins Scientist Develops Method To Find Toxic Chemicals In Drinking Water

Most consumers of drinking water in the United States know that chemicals are used in the treatment processes to ensure the water is safe to drink. But they might not know that the use of some of these chemicals, such as chlorine, can also lead to the formation of unregulated toxic byproducts.

What’s in Your Water?

Mixing drinking water with chlorine, the United States’ most common method of disinfecting drinking water, creates previously unidentified toxic byproducts, says  Carsten Prasse from Johns Hopkins University and his collaborators from the University of California, Berkeley and Switzerland.