New carcinogens to watch out for

The US government releases an updated list of potential carcinogens that includes seven new chemicals and biological agents.

Written byJef Akst
| 4 min read

Register for free to listen to this article
Listen with Speechify
0:00
4:00
Share

WIKIMEDIA COMMONS, GOSSIPGUY

The US Department of Health and Human Services (HHS) last week (June 10) issued its 12th Report on Carcinogens, adding seven chemicals and biological agents whose exposure may pose an increased risk of cancer. The HHS also upgraded one substance from a "reasonably anticipated to be a human carcinogen" to "known to be human carcinogen." The full list, which now includes 240 potentially harmful substances, is available here. Here's a rundown of the newbies:

Formaldehyde: This industrial chemical, an ingredient in household items such as coatings and finishes and a widely employed medical and scientific preservative, was originally listed in the HHS's 2nd report under the "reasonably anticipated" category of carcinogens after researchers discovered that it caused nasal cancer in rats. Now, with additional evidence ...

Interested in reading more?

Become a Member of

The Scientist Logo
Receive full access to more than 35 years of archives, as well as TS Digest, digital editions of The Scientist, feature stories, and much more!
Already a member? Login Here

Related Topics

Meet the Author

  • Jef (an unusual nickname for Jennifer) got her master’s degree from Indiana University in April 2009 studying the mating behavior of seahorses. After four years of diving off the Gulf Coast of Tampa and performing behavioral experiments at the Tennessee Aquarium in Chattanooga, she left research to pursue a career in science writing. As The Scientist's managing editor, Jef edited features and oversaw the production of the TS Digest and quarterly print magazine. In 2022, her feature on uterus transplantation earned first place in the trade category of the Awards for Excellence in Health Care Journalism. She is a member of the National Association of Science Writers.

    View Full Profile
Share
Illustration of a developing fetus surrounded by a clear fluid with a subtle yellow tinge, representing amniotic fluid.
January 2026, Issue 1

What Is the Amniotic Fluid Composed of?

The liquid world of fetal development provides a rich source of nutrition and protection tailored to meet the needs of the growing fetus.

View this Issue
Skip the Wait for Protein Stability Data with Aunty

Skip the Wait for Protein Stability Data with Aunty

Unchained Labs
Graphic of three DNA helices in various colors

An Automated DNA-to-Data Framework for Production-Scale Sequencing

illumina
Exploring Cellular Organization with Spatial Proteomics

Exploring Cellular Organization with Spatial Proteomics

Abstract illustration of spheres with multiple layers, representing endoderm, ectoderm, and mesoderm derived organoids

Organoid Origins and How to Grow Them

Thermo Fisher Logo

Products

Brandtech Logo

BRANDTECH Scientific Introduces the Transferpette® pro Micropipette: A New Twist on Comfort and Control

Biotium Logo

Biotium Launches GlycoLiner™ Cell Surface Glycoprotein Labeling Kits for Rapid and Selective Cell Surface Imaging

Colorful abstract spiral dot pattern on a black background

Thermo Scientific X and S Series General Purpose Centrifuges

Thermo Fisher Logo
Abstract background with red and blue laser lights

VANTAstar Flexible microplate reader with simplified workflows

BMG LABTECH