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Bed bugs ‘dodge insecticides’ with molecular tricks

As someone who has to battle bed bugs from time to time at work, this worries me.

Bed bugs use a range of tactics to render insecticides useless, a study suggests.

Infestations are on the rise around the world, but the pests are growing resistant to some chemicals.

Now scientists have found 14 genes associated with a number of biological changes.

These include the development of a thicker skin that stops poisons from penetrating, and mutations that prevent toxins from hitting the nervous system.

The study, published in the journal Scientific Reports, also suggests that some of the bugs are producing higher levels of enzymes that help to metabolise insecticides more quickly.

Others genes are associated with proteins that interfere with the way the deadly chemicals are carried around the bed bugs’ bodies.

Subba Palli, professor entomology from the University of Kentucky in the US and an author of the study, said that the hardy insects were using a combination of these molecular tricks.

“Some used four different mechanisms, some three and so on,” he explained.

“Bed bugs are employing more than one mechanism of resistance to avoid insecticide toxicity.”

Video: Reduce the lead time for Mental Health and Addictions patients in RUH Emergency

 

The Saskatoon Health Region is being driven by Lean Management.  Like any management theory it has a website, newsletters and even some videos.  While the video production quality is horrible, here is a video on how the Saskatoon Health Region is trying to improve intake and evaluation for Mental Health & Addiction Services at RUH.

Fitness on 25th

So with DeeAnn gone from the Lighthouse, my new office mate is a psychologist who loves to run.  Jeff started to pester me about joining a gym non-stop and I was ignoring it until I decided to take this hike through the backcountry.  As part of the training, I decided to get a Nike Fuel Band to monitor my movement and get myself motivated.  Well that didn’t work out too well.  Well actually it worked too well as it showed me missing my goal of 3000 Nike Fuel every day.  This is how a Nike Fuel Band works.

Basically it taunts you for being inactive.  It’s clever.  It’s not rude as to be mean spirited but it sits there and reminds you that you are no where close to your Nike Fuel goal (for me it’s 3000) and I am surprised how much it bothers me.

After several days of not hitting 3000 (or even coming close), I decided to head down to the YWCA and hit the gym at Fitness on 25th.  Three of my co-workers also came and for 30 minutes we hit the elliptical or the treadmill and had a pretty good work out.  The problem is that it still didn’t get me enough Nike Fuel so tomorrow I am walking to work, walking to the gym, working out, and then walking home… all in the pursuit of the magical Nike Fuel.

I don’t know how long my level of motivation will last the Nike Fuel Band got me to the gym and is making me walk a lot more.  I still hate doing it but lazing around on the sofa isn’t doing a lot for me either.

Now back to Fitness on 25th.  I decided to join there because I believe in the work that the YWCA does in Saskatoon (and know some of their staff).  We have a good relationship with them at The Lighthouse and it’s kind of on my way home from work.  It has 4 treadmills, a bunch of ellipticals and stairclimbers for cardio, a bunch of free weights and stationary bikes.  I spent some quality time on the elliptical which gave my legs a brutal workout and got my right shoulder moving.

The YWCA gym is older but it was quiet and not very busy when we go at 4:00 p.m.  It does offer a free two week trail which I would advise you to check out.  I am not thrilled with having to sign up for a year but I understand why they do it.

Monday

The weekend that was: The lowlight of the weekend was that I was fiddling with a power adaptor with my right hand and jerked my hand away violently when I got shocked.  Of course my right shoulder is the shoulder with the torn rotator cuff.  I have had both shoulders operated on, I have wrecked both MCL and ACLs, I have even had nails go into my feet.  Nothing was as painful as that pain was.  I just screamed in pain for a minute while walking over and sitting down before I passed out.

I was hoping the pain would pass but now every time I use my right hand, there is incredible pain in the shoulder which can’t be a good thing.  Back to my family doctor on Tuesday to see what we can do now.

On Sunday I watched the Lions lose to the Green Bay Packers at Jeff’s place with Sean.  Doing that brought up a lot of Detroit Lions memories and none of them are good.  Wayne Fontes, Scott Mitchell, Matt Millen, 0-16… at least the food was good.

On my to-do list this week: Other than seeing a doctor…

Procrastinating about: Going to see my doctor…

Book I’m in the midst of: The Triumph of the City by Edward Glaesar

Music that seemed to catch my attention this past week: The new Sheepdogs album.

How I’m feeling about this week: Pain.

Another reason why cats are stupid

They can make you crazy

The parasite, which is excreted by cats in their feces, is called Toxoplasma gondii (T. gondii or Toxo for short) and is the microbe that causes toxoplasmosis-the reason pregnant women are told to avoid cats’ litter boxes. Since the 1920s, doctors have recognized that a woman who becomes infected during pregnancy can transmit the disease to the fetus, in some cases resulting in severe brain damage or death. T. gondii is also a major threat to people with weakened immunity: in the early days of the AIDS epidemic, before good antiretroviral drugs were developed, it was to blame for the dementia that afflicted many patients at the disease’s end stage. Healthy children and adults, however, usually experience nothing worse than brief flu-like symptoms before quickly fighting off the protozoan, which thereafter lies dormant inside brain cells-or at least that’s the standard medical wisdom.

But if Flegr is right, the "latent" parasite may be quietly tweaking the connections between our neurons, changing our response to frightening situations, our trust in others, how outgoing we are, and even our preference for certain scents. And that’s not all. He also believes that the organism contributes to car crashes, suicides, and mental disorders such as schizophrenia. When you add up all the different ways it can harm us, says Flegr, "Toxoplasma might even kill as many people as malaria, or at least a million people a year."

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