Washing machines can spread bacteria

A children’s hospital found that a antibiotic-resistant pathogen was spreading in their facility and evading their efforts to squelch it. They ended up finding that the culprit was their washing machines. They found it in the detergent drawer and on the door seal of the washing machine.

They are warning that it can happen in residential homes too. Apparently they replaced the machine. Though, when they say they disposed of the machine, I hope that doesn’t mean they put it in surplus where it or contaminated parts end up on the market to end up in someone’s home or laundromat.

Prima manducare

halloween candies

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Part of parenting seems to be to tasting foods given to our children. We get that taste in before it is put in front of the child. Call it a toll or tithe.

My wife still does it to Galahad before letting him have an interesting new drink or dish. Or one that she likes but did not get.

They argue about whether or not she took too much. She calls it a bite or sip. He calls it a mouthful or guzzle.

He also complains about her taking the best candy from his Halloween exploits.

Primarily, he is suffering from loss aversion. He envisioned having it. Only now Mama is taking it away from him and diminishing the value.

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baby children cute dress

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In encouraging Fleur to eat new foods, I often give her something I am eating. When she falters at consuming her meal, I often eat some of hers and make yummy sounds with the idea of showing it is safe to eat.

This safe to eat approach is based on evolutionary theory that children pay attention to what parents eat to determine what is safe. She would look dubious at some things we gave her that we also were not. And then she also demanded things we had in front of us.

The eating and saying yummy has backfired because when she is done, she now holds it out to me to eat. No one else. Just me.

Recently, this has morphed into her feeding me. She will put food next to my mouth until I eat it. Of course, these are foods given to her to eat that she stopped consuming.

At least the food doesn’t go to waste.

 

Study: Keeping livestock in the yard just might help your baby’s immune system

black and white dairy cow s head

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Years ago I used to tell people that having a pet that goes outside and inside is good for the immune system of kids. They tend to have fewer allergies. I never connected that to the concept that many human diseases come from livestock. For instance, influenza strains cross over to either chickens or pigs (swine flu). This study is interesting in that it suggests exposure to livestock can also boost the immune system.

It compares the fecal microbiota of Amish (kept cowsand/or horses) and Hutterite (just dogs) infants. The Hutterite children have 4-6 times the risk of asthma and allergies. The Amish households have higher levels and diversity of allergens, bacteria, and endotoxins. Ancestry beyond a couple hundred years of both groups are pretty similar. They primarily differ in environment they shape around themselves such as food consumption (grown vs purchased) which is potentially big confound.

Researchers delivered piglets via Cesarean-section so they had more sterile. The gave the piglets infant milk formula. And then they gave the piglets a fecal microbiota transplant from the infants. Later, they examined the DNA of the microbiota in the piglets to identify what was in the infant guts. Basically, the Amish microbiota resembles rural-types in previous studies and the Hutterite resembled urban-types. And the rural-types are better for properly training the immune system to lower the risk of allergies.

Really, this is more evidence of not being too scared about the presence of bacteria in our industrialized society. Exposure to a diversity of stuff means more will get into the gut. I recently learned in Gut that the immune system learns the bacteria it finds there and the appendix is where a selection are kept so that when diarrhea flushes the intestines, they can be repopulated with the bacteria we need. The rural lifestyle helps the infants get a better earlier diversity. And we as parents need to strike a balance between cleaning and overzealous cleaning. Too much kills eliminates the helpful bacteria.

Dhakal S, Wang L, Antony L, Rank J, Bernardo P, Ghimire S, Bondra K, Siems C, Lakshmanappa YS, Renu S, Hogshead B, Krakowka S, Kauffman M, Scaria J, LeJeune JT, Yu Z and Renukaradhya GJ (2019) “Amish (Rural) vs. non-Amish (Urban) Infant Fecal Microbiotas Are Highly Diverse and Their Transplantation Lead to Differences in Mucosal Immune Maturation in a Humanized Germfree Piglet Model.” Front. Immunol. 10:1509. doi: 10.3389/fimmu.2019.01509

 

Study: Rethinking Stress: The Role of Mindsets in Determining the Stress Response

board game business challenge chess

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This caught my eye because I’ve read about the growth mindset often over the past several years. And, I feel that how I responded to stress in my professional life is responsible for my achievements.

Study 1: I found the use of the invention of a Work Performance Scale adapted from a Role-Based Performance Scale interesting. I’d like to compare the two. But, offhand, it is self-reporting, which I dislike for the tendency of the taker to say what they think is wanted not what they think. (And even if they put they think, our view of ourselves is skewed from inner dialogue biases and justifications.) They decided the data shows that stress mindset is a distinct variable among others already determined for stress. They probably overly generalize to health and well-being when their measure was just on work performance.

This additional variable thing seems to trigger warning bells about confirmation bias in my head. It strongly confirms my existing worldview in that I’ve seen people who take on challenges head-on and others who squander the opportunity.

I just skimmed the rest from here. Study 2 appears to try to determine if it works similar to growth-fixed mindsets. Study 3 appears to look at positive and negative feedback with stress mindsets.

Crum, AJ and Salovey, P and Achor, S. “Rethinking Stress: The Role of Mindsets in Determining the Stress Response.Journal of Personality and Social Psychology, 2013, Vol. 104, No. 4, 716 –733. DOI: 10.1037/a0031201

The dolphin squeal

gray and brass metal dolphin pool decor

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The toddler enjoys playing with others. When she is excited, she lets out the cutest little high pitched stuttering squeal. It reminds me of the dolphin from Flipper. (I wrote in the bio that I am old.)

I first heard it in her excitement at learning the cat was near. For a while it was the cat’s warning sign the new walker was on her way.

It comes out while horseplaying. The best, is chasing her around the house saying, “I am going to tickle you!” She does her dolphin squeal and runs away. I had a proud dad moment when she paused to try and close a door behind her to impede my chase. Great tactic.

Over the weekend, we attended a baby shower. The hosts have a friendly dog who stands just under eye-level for the toddler. The dog licked Fleur’s face because, naturally, there was food still on it. That. THAT. Got the longest squeal I have heard yet. And a quarter hour of following the dog around trying to get in her face and receive another face lick.

I am finding the kiddo is a daredevil. Things I kind of expected to be shocking and make her scared don’t. She instead lets out a squeal and wants more. Greaaaaaaaaaaat. Dopamine addict.

 

Swallowing button batteries

Recently, I shared a funny story about doctors swallowing LEGOs for science. This is a darker story about children swallowing more dangerous things. The number of foreign objects swallowing deaths is up in part because of a proliferation of button batteries which stomach acids can rupture.

Kids under six tend to swallow things. As electronics have gotten smaller, button batteries have become more common to power them. Several hundred thousand kids are estimated to have swallowed something enough to warrant an ER visit. Thousands of cases are fatal.

The recommendation is to give the kid older than a year honey to help neutralize the stomach acid and take the kid to the emergency room.