Sedentary behavior is already tied to poor health. But new research suggests it may go even deeper — affecting the body at ...

Get inspired by a weekly roundup on living well, made simple. Sign up for CNN’s Life, But Better newsletter for information and tools designed to improve your well-being. More than 3,600 chemicals ...

Cyanide is a highly lethal chemical that has been used in warfare and poisonings for centuries—that was the general consensus on the naturally occurring chemical up until spring 2025. But in a global ...

The average brain may contain a spoonful of plastic, a new study suggests. The number of tiny bits of plastic found in human brains increased dramatically between 2016 and 2024, with the highest ...

Ty Roush is a breaking news reporter based in New York City. Microplastics have been found in brain tissue above the nose, suggesting a likely passageway for microscopic plastic shards and fibers to ...

A new Yale study provides a fuller picture of the genetic changes that shaped the evolution of the human brain, and how the process differed from the evolution of chimpanzees. For the study, published ...

The lactic acid bacterium found in the dish helps bind nanoplastics inside the intestine, allowing them to remain together when exiting through the bowel Getty Stock Images Scientists are sharing ...

Human brains contain higher concentrations of microplastics than other organs, according to a new study, and the amount appears to be increasing over time. In the study, published in early February in ...