Formaldehyde

The FDA has missed its action date to address its proposed rule banning formaldehyde and formaldehyde-releasing chemicals from hair smoothing and straightening products.

Occupational exposure to formaldehyde was detrimental to long-term cognitive function, according to results of a French cohort study published in Neurology.

Smokers can contaminate nonsmoking places and expose other people to high levels of thirdhand smoke, according to research published in Science Advances that found a movie theater was contaminated with nicotine and tobacco-related chemicals despite being a nonsmoking environment.