Environmental Working Group - Know your environment. Protect your health.

Cutting ultra-processed foods may ease depression, new study finds Anthony Lacey October 28, 2026 Diets with less ultra-processed food may help to relieve depression symptoms. A small new pilot study adds to a growing body of evidence linking UPF to mental health. EWG’s Food Scores flags ultra-processed foods to help you make simple, healthy swaps. ...

Dirty Dozen™ food chemicals: Artificial dyes Iris Myers October 27, 2026 EWG’s recommendation

Avoid or limit foods containing artificial dyes.

Human and animal studies suggest artificial food dyes may harm children’s behavior and brain development. Studies on laboratory animals and cells found certain dyes may cause cancer.

Seven petroleum-deri...

EWG evaluation of food chemicals: Titanium dioxide rcoleman October 23, 2026 Dayna de Montagnac, MPH Sydney Evans, MPH

Dirty Dozen™ food chemicals: Titanium dioxide Iris Myers October 22, 2026 EWG’s recommendation

Avoid or limit foods containing titanium dioxide.

Titanium dioxide is a color additive used to brighten packaged foods. Food-grade titanium dioxide contains a large amount of nanoscale particles that can accumulate in the body. 

In 2021, the European ...

Atrazine taints tap water for millions – California says it causes cancer. EPA’s plan won’t fix it. Anthony Lacey October 22, 2026

Three recent developments underscore the health threat posed by atrazine, one of the most widely used herbicides in the U.S. 

Earlier this month, California’s environmental health agency said it planned to list atrazine ...