Cigarette smoke has been studied for years, revealing a multitude of contaminants, including toxic metals. But exactly which of those metals can be traced to secondhand or thirdhand smoke? Solving ...

Levels of molybdenum in soil show that hydrogen sulfide gas wiped out nearly half of all marine life 530 million years ago.

Due to the metabolic role of some elements in the human organism, the determination of the inorganic profile of oils is vital. On the one hand, there is knowledge of the food's nutritional value ...

Dr. Dray emphasizes a central toxicology truth: “It’s not the poison, it’s the dose.” Many heavy metals exist naturally in the environment—and even in our bodies. But when levels build up due to ...