How do experts determine the safe level of a chemical?

Ames points out that our test for carcinogenicity of feeding animals near-fatal doses of the chemical is flawed because, “High doses can cause chronic wounding of tissues, cell death, and consequent chronic cell division of neighboring cells, which would otherwise not divide.”

For Mice and Men, Dose Doth Make the Poison

My latest Green Chain column in today’s Lake County Record-Bee: Every day, I make my wife and myself a cup of coffee. Should I be arrested for spousal abuse? I am serving her a phenol-laced liquid, containing 826 volatile chemical substances, 16 of which are known by the state of California to cause cancer. OneContinue reading “For Mice and Men, Dose Doth Make the Poison”