A new study has measured the toxicity of several types of per- and polyfluoroalkyl substances (PFAS), better known as 'forever chemicals,' when mixed together in the environment and in the human body.

Widely used by the agri-food industry, food additives are mainly found in the ultra-processed products sold in our supermarkets. Until recently, safety evaluations of these additives have been ...

Students will learn how to categorize matter as either pure substances or mixtures. Students will apply tests, based on physical properties of matter samples, to determine whether a mixture is ...

Chemical contaminants in drinking water rarely occur alone, yet risk assessments typically assume their toxic effects simply add up. New research ...

Food additive mixtures are an everyday feature of our diets, especially through ultra-processed foods. Until recently, safety evaluations of these additives have been conducted substance by substance ...