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Should you stop using baby powder?
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A thousand women have sued Johnson & Johnson, saying the company knew its iconic baby powder caused cancer. Do we need to stop using powder? - photo by Jennifer Graham
A thousand women are suing Johnson & Johnson, saying the company knew its iconic Johnson's Baby Powder caused cancer yet covered up the risk. A trial set to begin April 11 in St. Louis comes on the heels of a $72 million award to the family of an Alabama woman who died of ovarian cancer at age 62 after using the powder every day since she was a teen.

Although Johnson & Johnson assures customers its product is safe, the litigation and resulting publicity has families asking if a century-old fixture in nurseries and bathrooms is dangerous. The answer, according to the American Cancer Society and other medical professionals, is "probably not" unless you use a lot of it for a long time. But they advise consumers to be careful, and one doctor is crusading against it, saying the product should carry a warning label.

Like most forms of powder, Johnson's Baby Powder contains fragrance and talc, which, as Bloomberg Businessweek reports, "is the softest mineral on earth."

"Its composed of magnesium, silicon and oxygen and is mined, usually from deposits above ground, in more than a dozen countries. Its used in eye shadow and blush and chewing gum, but mostly its used in ceramics, paint, paper, plastic and rubber. China is the biggest source; Johnson & Johnsons supply comes from the southern province of Guangxi," Bloomberg reporters Susan Berfield, Jef Feeley and Margaret Cronin Fisk wrote.

The company has built a brand around baby products that appeal to adults. Johnson & Johnson has said 70 percent of its powder is used by adults who often have powerful memories associated with the smell, Bloomberg reported.

"The company has said that in blind tests, the scent of Baby Powder is recognized more often than that of chocolate, coconut or mothballs," Berfield, Feeley and Fisk wrote.

Some talc, however, contains asbestos, a substance known to cause lung and other forms of cancer. In the U.S., commercially-available talcum powder has had to be free of asbestos since the 1970s, the American Cancer Society says.

Whether asbestos-free talc causes cancer remains unclear, the group says, noting that some studies have suggested a slightly higher risk of cancer with use while others say there is no increase of risk.

The Cancer Society concludes, "Until more information is available, people concerned about using talcum powder may want to avoid or limit their use of consumer products that contain it. For example, they may want to consider using cornstarch-based cosmetic products instead. There is no evidence at this time linking cornstarch powders with any form of cancer."

Baby powder is considered a cosmetic, and as such, does not require approval from the Food and Drug Administration. However, the FDA has tested the powder and other cosmetics containing talc and found no asbestos. The FDA said the tests were "informative" but "do not prove that most or all talc or talc-containing cosmetic products currently marketed in the United States are likely to be free of asbestos contamination."

The American Academy of Pediatricians says to keep powder away from a baby's face. The U.S. National Library of Medicine says talcum-powder poisoning can occur when powder is inhaled.

Meanwhile, Johnson & Johnson has said it will appeal the jury award.

"The recent U.S. verdict goes against decades of sound science proving the safety of talc as a cosmetic ingredient in multiple products, and while we sympathize with the family of the plaintiff, we strongly disagree with the outcome," spokeswoman Carol Goodrich told CNN.
Its toxic: New study says blue light from tech devices can speed up blindness
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A new study from the University of Toledo found that blue light from digital devices can transform molecules in your eyes retina into cell killers. - photo by Herb Scribner
It turns out checking Twitter or Facebook before bed is bad for your health.

A new study from the University of Toledo found that blue light from digital devices can transform molecules in your eyes retina into cell killers.

That process can lead to age-related macular degeneration, which is a leading cause of blindness in the United States, according to the researchs extract.

Blue light is a common issue for many modern Americans. Blue light is emitted from screens, most notably at night, causing sleep loss, eye strain and a number of other issues.

Dr. Ajith Karunarathne, assistant professor in the UT Department of Chemistry and Biochemistry, said our constant exposure to blue light cant be blocked by the lens or cornea.

"It's no secret that blue light harms our vision by damaging the eye's retina. Our experiments explain how this happens, and we hope this leads to therapies that slow macular degeneration, such as a new kind of eye drop, he said.

Macular degeneration is an incurable eye disease that often affects those in their 50s or 60s. It occurs after the death of photoreceptor cells in the retina. Those cells need retinal to sense light and help signal the brain.

The research team found blue light exposure created poisonous chemical molecules that killed photoreceptor cells

"It's toxic. If you shine blue light on retinal, the retinal kills photoreceptor cells as the signaling molecule on the membrane dissolves," said Kasun Ratnayake, a Ph.D. student researcher working in Karunarathne's cellular photo chemistry group. "Photoreceptor cells do not regenerate in the eye. When they're dead, they're dead for good."

However, the researchers found a molecule called alpha-tocopherol, which comes from Vitamin E, can help prevent cell death, according to Futurism.

The researchers plan to review how light from TVs, cellphones and tablet screens affect the eyes as well.

"If you look at the amount of light coming out of your cellphone, it's not great but it seems tolerable," said Dr. John Payton, visiting assistant professor in the UT Department of Chemistry and Biochemistry. "Some cellphone companies are adding blue-light filters to the screens, and I think that is a good idea."

Indeed, Apple released a Night Shift mode two years ago to help quell blue lights strain on the eyes, according to The Verge. The screen will dim into a warmer, orange light that will cause less stress on the eyes.