Letters

Letters 02-08-2016

Less Ageism, Please The January 4 issue of this publication proved to me that there are some sensible voices of reason in our community regarding all things “inter-generational.” I offer a word of thanks to Elizabeth Myers. I too have worked hard for what I’ve earned throughout my years in the various positions I’ve held. While I too cannot speak for each millennial, brash generalizations about a lack of work ethic don’t sit well with me...Joe Connolly, Traverse City

Now That’s an Escalation I just read the letter from Greg and his defense of the AR15. The letter started with great information but then out of nowhere his opinion went off the rails. “The government wants total gun control and then confiscation; then the elimination of all Constitutional rights.” Wait... what?! To quote the great Ron Burgundy, “Well, that escalated quickly!”

Healthy Eating and Exercise for Children Healthy foods and exercise are important for children of all ages. It is important for children because it empowers them to do their best at school and be able to do their homework and study...

Mascots and Harsh Native American Truths The letter from the Choctaw lady deserves an answer. I have had a gutful of the whining about the fate of the American Indian. The American Indians were the losers in an imperial expansion; as such, they have, overall, fared much better than a lot of such losers throughout history. Everything the lady complains about in the way of what was done by the nasty, evil Whites was being done by Indians to other Indians long before Europeans arrived...

Snyder Must Go I believe it’s time. It’s time for Governor Snyder to go. The FBI, U.S. Postal Inspection Service and the EPA Criminal Investigation Division are now investigating the Flint water crisis that poisoned thousands of people. Governor Snyder signed the legislation that established the Emergency Manager law. Since its inception it has proven to be a dismal failure...

Erosion of Public Trust Let’s look at how we’ve been experiencing global warming. Between 1979 and 2013, increases in temperature and wind speeds along with more rain-free days have combined to stretch fire seasons worldwide by 20 percent. In the U.S., the fire seasons are 78 days longer than in the 1970s...

Home · Articles · News · Features · Beware the new nano sunscreens
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Beware the new nano sunscreens

Harley Sachs - June 15th, 2006
Nanotechnology may turn out to be the newest bogeyman of science. Author Michael Crichton made much of this in his thriller, “The Swarm,” in which microscopic nano robots functioned like a colony of intelligent killer bees. He was exploiting a well-known risk in scientific development: the law of unanticipated consequences.
Some of us still remember the unanticipated consequences of thalydomide, a drug then banned in the U.S. by a cautious FDA scientist. Taken by pregnant women who got the drug in Europe, the resulting deformities created a rash of infants with flipper-like vestigial arms. And no one anticipated the consequences of DDT; created as an insecticide, it threatened to become the cause of a world without birds. Is that sort of nightmare likely to happen again?
You never know. Substances that are harmless in one form acquire new characteristics when reduced to nano size.
Just what is a nano? It’s one billionth of a meter. I once saw a nanosecond illustrated by a length of wire about a foot long. It was the distance electricity, traveling at the speed of light, could travel in a nanosecond. As described in the “Rachel’s Democracy & Health News,” a free Internet newsletter, “a human hair is 80,000 nanometers wide. A strand of DNA is 3.5 nanometers across.” A nano particle is that tiny.
That’s part of the allure of the new nanotechnology. At such small sizes, ordinary substances acquire totally different characteristics, including toxicity. Strange things happen when ordinary substances like the zinc oxide and titanium dioxide in your sunscreen are reduced to nano size.
In chemistry, nano particles have an enormous increase in surface area. As such, their ability to absorb UV light is greatly increased, just the thing when you’re shielding the skin from harmful sunlight. But what makes cosmetics and sunscreens that use nano materials absorb through the skin quickly also allows them to penetrate the cells themselves and to travel throughout the body.
They can even affect parts of living cells and may impact DNA. The unanticipated result of this technology is the reason why the International Center for Technology Assessment has filed a 79-page petition to the FDA to ban all sales of cosmetics and sunscreens that use nano technology until they are proven to be safe. They ask that such products be declared a hazard to public health. They want all nano substances to be classified as new drugs, subject to the same testing and scrutiny as medicines.
Most of us realize that asking industries to voluntarily regulate themselves is naïve at best. Industries argue that they are over-regulated. Consider how many drugs have had to be recalled. Cynical corporate lawyers regard payments of claims by survivors to be an acceptable cost of doing business. Is losing a spouse or child an acceptable risk?
The FDA argues that particle size doesn’t matter, that zinc oxide is zinc oxide even when reduced to nano size. Unfortunately, there are no current laws requiring companies to label cosmetics and sunscreens to warn users of the potential, untested hazards of nano substances. There’s no way to know whether the sunscreen you apply today may turn out to be toxic as those tiny particles travel throughout your body.
When I was a kid we never used sunscreen. Girls rubbed themselves with baby oil so they could brown like fried chicken. We couldn’t wait to get down to the beach. Inevitably we burned and peeled before we got that deep “darky” tan, so dark that I was once mistaken for an African-American.
Those days are over. Now in summer I wear white painter’s pants and long-sleeve white shirts and a Foreign Legion hat. With a summer on the water ahead of me, all that reflected sunlight, and the risk of skin cancer from the accumulated damage of those early sunburns, it looks like I’ll have to smear my nose and lips with plain old white and goopy zinc oxide. Even a parasol won’t protect you from reflected UV rays. What a sight!
Let’s hope the FDA acts quickly at least to require appropriate warning labels on cosmetics and sunscreens with nano substances.

P.S.: For more information you can subscribe to Rachel’s Democracy & Health News, it’s a free Internet newsletter. Visit the web site www.hu.mtu.edu/~hlsachs where you can listen to two stories, read a third, read reviews, and find links to the publishers of my books.
 
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