Cancer patients often lose excessive amounts of weight. This affects up to 80% of patients and is mainly due to a decrease in ...

More than 16 million Americans drink water contaminated with toxic chemicals that can be traced to military and industrial sites, according to new research from Harvard University. 66 water supplies ...

Researchers have uncovered surprising links between natural humification processes in soil, carbon metabolism, and the spread ...

Harry Sumnall receives and has received funding from public grant awarding bodies for alcohol and other drugs research. He is an unpaid member of the Scientific Advisory Board of the Mind Foundation, ...

The Council has agreed its position on the sixth revision of the carcinogens, mutagens and reprotoxic substances directive, which seeks to update the rules on exposure to hazardous chemicals in the ...

View the video below to see what you and your students will do in this lesson. Because substances are made up of different atoms and molecules, they react in characteristic ways. Production of a gas, ...

Psychoactive drugs are substances that affect the brain. The types range from heroin to caffeine. These substances can affect awareness, thoughts, mood, and behavior. Depending on the situation, the ...

Americans say their urge to drink or use substances increases during the holidays, with 41% “pre-gaming” before gatherings ...

We all know that daily flossing is core to good oral hygiene. But did you know some dental flosses may be made with ingredients that pose risks to your health, or the planet’s? To help identify those ...

Students will be able to plan and carry out an investigation to compare the solubility of different substances, and develop and explain a particle-level model to describe the process of dissolving.

With the implementation of Law No. 159 of 2025 regarding the control of narcotics and psychoactive substances, which comes ...

NPR's Leila Fadel talks to ER physician Jennifer Avegno, who heads the New Orleans Health Department, about a law classifying abortion drugs misoprostol and mifepristone as controlled substances.