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Louisiana teachers' union concerned about educators' future; Supreme Court hears arguments in Trump immunity case; court issues restraining order against fracking waste-storage facility; landmark NE agreement takes a proactive approach to CO2 pipeline risks.

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Speaker Johnson accuses demonstrating students of getting support from Hamas. TikTok says it'll challenge the ban. And the Supreme Court dives into the gray area between abortion and pregnancy healthcare, and into former President Trump's broad immunity claims.

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The urban-rural death divide is widening for working-age Americans, many home internet connections established for rural students during COVID have been broken, and a new federal rule aims to put the "public" back in public lands.

Are We Scrubbing Away the Good Guys?

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Thursday, December 6, 2012   

PHOENIX, Ariz. - It's the cold and flu season, and the Centers for Disease Control and Prevention (CDC) recommends hand-washing as a way to keep yourself healthy and to prevent spreading germs when you do get sick. However, a study from Johns Hopkins University raises questions about whether we're "too clean" because of the use of antibacterial products. The researchers found that children with higher levels of chemicals from antibacterial soaps had more allergies.

Children's Mercy Hospital Allergy and Immunology specialist Jay Portnoy, M.D., says not all bacteria are bad, so he warns against scrubbing away the good ones.

"If we start to kill off all the normal bacteria, if we use too many anti-microbial soaps, then they don't develop the ability to get along with them and they don't provide the service that we're used to."

Good bacteria help in fighting off the bad bacteria. Researchers say lack of exposure to bad bacteria can cause human immune systems to become overactive and react to things such as cats and pollen. Portnoy says hand-washing plays an important role in preventing the spread of disease. However, he says, washing with regular soap and water is all that is really needed.

Portnoy describes as "symbiotic" the relationship people have with the normal bacteria living on, and in, them.

"Our skin has bacteria on it. Our intestines have bacteria in them, and they provide a service. They help us digest our food. They help produce vitamins and minerals for us. They help to fend off the pathogens or the bad bacteria."

No one is suggesting that people stop washing their hands, Portnoy says. He advises everyone to wash with soap and water to prevent the spread of disease - especially doctors.

"I do wash my hands before every patient. Patients should ask their doctor to do that. If your doctor walks into the room and doesn't wash his or her hands, before they touch you ask them to please do it."

Portnoy agrees with the CDC that keeping hands clean is one of the best ways to prevent the spread of disease. He says more studies are needed on the chemicals contained in antibacterial soaps.

The full study, "Antibacterials in Personal Care Products Linked to Allergy Risk in Children," is available at www.hopkinschildrens.org. CDC hand-washing guidelines are at www.cdc.gov.




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