Chemicals & Chemistry

Dreary, despondent headlines about pollution and climate change are the norm. But they are not painting an accurate picture. Many countries are making serious efforts to protect the environment. Human ingenuity is the ultimate resource. My latest over at BigThink.
What does formaldehyde in baby shampoo have to do with a recent recall of a specialized laundry detergent? The failure to appreciate the need for preservatives in consumer products.  
Glycated hemoglobin, aka, Hb1Ac, is an important measure of diabetes risk. The name sounds daunting, but the chemistry that forms it is quite simple. Even ACSH scientists might be able to understand this Dreaded Chemistry Lesson From Hell. At least on a good day.
A ferocious debate ensued over Emily Oster's recent call in The Atlantic for COVID "amnesty." Everybody in the dispute is wrong. Should you drink Smart Water? Only if you're dumb, says our resident chemist.
The Environmental Protection Agency (EPA) is in the process of making a remarkable decision and one that will have repercussions throughout the US.  Its proposed safe levels in water for the “forever” chemicals perfluorooctanoate (PFOA) and its sulfonic acid (PFOS) are at extraordinary odds with other national authorities. 
The National Park Service issued a warning against licking the Sonoran desert toad - an act that most people would intuitively avoid. But the frog contains a powerful hallucinogen, which produces LSD-like effects that can dangerous. So if you’re traveling around the southwestern US better watch your tongue.
Thirty years ago, the Natural Resources Defense Council (NRDC) launched a PR campaign against a plant-growth regulator called Alar, effectively eliminating the use of the chemical in agriculture. What's the legacy of this infamous anti-chemical scare? The New York Times continues to attack good scientists on the say-so of environmental groups. The paper is trashing its credibility.
Meryl Streep, a proud Vassar grad, recently received a Distinguished Alumni Award from her alma mater. But rather than stress her stellar career as an actor, she discussed an earlier moment as a citizen-scientist. “Once you know how to search out and credit the facts around certain problems, you are called on by your conscience to act on them. The Vassar conscience rings a bell in your head; it’s a call to action in your heart.” The problem? Alar.
Let's say that your car gets 300 miles on a full tank of gas. Would you expect it to go 600 miles with a half tank? Or 1,200 with a quarter tank? If that sounds crazy welcome to Homeopathy World, where the same "logic" applies. This article might not get your car to go further but it could save you the 20 bucks you might otherwise throw away on Arnica.
The activist group Friends of the Earth and its cheerleaders at The Guardian say soaring pesticide use is poisoning millions of people and killing thousands. True to form, they have misused the evidence to make their case.
Contrary to the story pushed by activist groups and reporters, recent research has shown that genetically engineered crops and the pesticides often paired with them have yielded impressive environmental benefits.
Yet another study shows that Neurontin is a poor substitute for prescription opioids, so why do physicians continue to prescribe it? Twitter recently put a warning on an ACSH obesity story. Is social-media censorship here to stay?