Grandma probably was right – quit boiling your kid’s pacifier!

For years, health officials have told parents not to share utensils with their babies or clean their pacifiers by putting them in their mouths, arguing that the practice spreads harmful germs between parent and child. But new research may turn that thinking on its head.

In a study published Monday in the journal Pediatrics, scientists report that infants whose parents sucked on their pacifiers to clean them developed fewer allergies than children whose parents typically rinsed or boiled them. They also had lower rates of eczema, fewer signs of asthma and smaller amounts of a type of white blood cell that rises in response to allergies and other disorders.

The findings add to growing evidence that some degree of exposure to germs at an early age benefits children, and that microbial deprivation might backfire, preventing the immune system from developing a tolerance to trivial threats.

The study, carried out in Sweden, could not prove that the pacifiers laden with parents’ saliva were the direct cause of the reduced allergies. The practice may be a marker for parents who are generally more relaxed about shielding their children from dirt and germs, said Dr. William Schaffner, an infectious diseases expert at Vanderbilt University who was not involved in the research.

“It’s a very interesting study that adds to this idea that a certain kind of interaction with the microbial environment is actually a good thing for infants and children,” he said. “I wonder if the parents that cleaned the pacifiers orally were just more accepting of the old saying that you’ve got to eat a peck of dirt. Maybe they just had a less ‘disinfected’ environment in their homes…”

…Health authorities tell parents to do things that can lower the rate of transmission to their children, like not sharing utensils or putting their mouths on pacifiers.

But Dr. Joel Berg, president of the American Academy of Pediatric Dentistry, said those efforts are misguided, since parents are bound to spread germs simply by kissing their children and being around them. “This notion of not feeding your baby with your spoon or your fork is absurd because if the mom is in close proximity to the baby you can’t prevent that transmission,” he said. “There’s no evidence that you can avoid it. It’s impossible unless you wear a mask or you don’t touch the child, which isn’t realistic.”

Dr. Berg, who does salivary research at the University of Washington, said the new findings underscore something he has been telling his patients for years, that “saliva is your friend.” It contains enzymes, proteins, electrolytes and other beneficial substances, some of which can perhaps be passed from parent to child.

“I think, like any new study, this is going to be challenged and questioned,” he said. “But what it points out pretty clearly is that we are yet to fully discover the many and varied benefits of saliva.”

I’ve said it before and I’ll say it, again. The immigrants on either side of my family who didn’t live to be older than the average American were the cigarette smokers. The rest all beat the numbers by decades. And they weren’t squeaky clean-freaks.

One comment

  1. Russel Ray Photos

    I remember many of the things I “ate” as a child — bugs, dirt, rocks, twigs — and no ill effects. Nowadays we see children spraying their house down with insecticides, rodenticides, pesticides, herbicides, germicides, and the children seem to get sick more often and with some really interesting sicknesses. The human body and its immune system need to be exposed to the world in order to survive the world!

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