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toxicity

Concerns About Cookware Chemistry

21 Jan 2022

Like most chemists, I like to cook.  After all, what is cooking but the appropriate mixing of chemicals?  In the lab we use flasks and beakers, but how do we equip our kitchen?  Tiffany's in New...

Why is COVID-19 prompting questions about Proposition 65?

19 Aug 2020

The tentacles of COVID-19 reach into every area of life. I’ve been getting a flurry of calls about vacuum cleaners, air filters, and cordless hair clippers. Sales of these items have increased...

What is "Hormesis"?

24 Jan 2020

Just about every textbook of toxicology pays homage to Paracelsus, the sixteenth century alchemist. Why? Because he introduced the idea that “only the dose makes the poison.” It makes no sense to...

Is Dental Floss Toxic?

18 Jan 2019

A recently published paper in the Journal of Exposure Science & Environmental Epidemiology managed to create a great deal of public angst about using some types of dental floss. “This is the...

What is the difference between organic and inorganic arsenic?

30 Aug 2018

Atoms of arsenic can combine with atoms of other elements to form a variety of compounds. These can be divided into two categories, “inorganic” and “organic.” In this case, the term “organic” is...

The Chlorpyrifos Controversy

7 Jun 2017

“Science not silence,” screamed the signs carried by many of the marchers in a number of American cities last Earth Day.

Lead - A stain on chocolate?

20 Mar 2017

Lead is nasty. Since the body has a tough time eliminating it, exposure to very small amounts can cause poisoning over the long term. Diagnosis of lead poisoning is challenging because of the...

Are Foam Puzzle Mats Toxic for Children?

20 Mar 2017

There was a question about the possible toxicity of the popular foam puzzle mats that children play with and on. The concern is about exposure to formamide being released. This chemical is used in...

Artificial Turf, Real Issues

20 Mar 2017

There exists a simmering controversy about the safety of playing sports on artificial turf. For those who have engaged in any type of activity on this surface, you would know that they heat up in...

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