Tampons from several brands that potentially millions of people use each month can contain toxic metals like lead, arsenic, and cadmium, a new study led by a UC Berkeley researcher has found.

University of New Mexico researchers studying the health risks posed by gadolinium, a toxic rare earth metal used in MRI scans, have found that oxalic acid, a molecule found in many foods, can generate nanoparticles of the metal in human tissues.

A review of tens of thousands of soil samples from Earth reveals high concentrations of arsenic, cadmium, and lead in the pedosphere

Abstract. The rapidly evolving
market of disposable e-cigarettes poses unknown
health risks to adolescents and young adults. We report excessive
emissions

Some tattoo inks sold in Australia contain toxic metals and carcinogenic compounds at levels that would be illegal in the European Union, according to new research led by UNSW Sydney.