Friday, February 22, 2013

Potential risks for diabetes: Working the nightshift?


Sorry for the impromptu hiatus. It has been a rough couple of weeks.

            So...I feel like this is a relatively well-known fact: You shouldn't eat at night. Seems simple enough, but a recent study has discovered the reasons for it. During the nighttime hours, the body actually turns more of the food into fats as opposed to fuels - like it does during the day.

            The study was published in the Current Biology journal, and in the study it was found that mice (which are nocturnal) had a variant ability to regulate blood sugar and when the researchers disrupted their sleep cycle (a circadian rhythm) they were also more likely to put on greater amounts of fat.
            This study makes me think of all of the Tom and Jerry episodes I have watched throughout the years. All I can say, is thank goodness Jerry gets all the exercise running from Tom - or he would have been super overweight (and probably eaten). I think that would have kind of ruined the show for me.


            Another interesting part of this story is that the researchers believe there is some connection between working night-shifts and the likelihood of being overweight and getting diabetes. This has been show in previous studies, but is now believed that there could be a link between the two. To test this, researchers looked to see how well the mice's bodies processed foods throughout the entire circadian cycle. It was found that during the day, the mice were not particularly receptive to insulin. Due to this lack of response, their bodies did not take sugar from the blood to use as energy, but it rather got stored as fat. They next tried keeping the mice under dim light all the time, and the mice actually became somewhat insulin resistant - and they put on more fat.
            I guess, the moral of the story is don't just watch what you eat, but also when you eat. And maybe try to get a job where you don't have to work the nightshift.


Full article - here
Info on the Circadian cycle - here

Cesium- Element of the Week from 1/25 -2/22


            
             Cesium is element 55 on the Periodic Table. It is a soft, metallic-colored alkali metal, and has a very low melting point. Cesium is one of the five metals that are liquid at room temperature. The metal is mildly toxic, but presents a high health risk to humans and the environment.
             It was discovered in 1860 by the German chemists Robert Wilhelm Bunsen and Gustav Robert Kirchhoff in mineral water from a town in Germany - Durkheim. They were able to distinguish and characterize it through the method of flame spectroscopy. When burned, its compounds give off a blue or violet color. This is why the name comes from the Latin word for "sky blue" - caesius. Its characteristics are very similar to that of Rubidium.
            Cesium forms alloys with other alkali metals. It is considered relatively rare element, with a natural abundance of around 3 parts per million in the Earth's crust. It is the 36th most common element.
            The metal is commonly used in drilling fluids to explore for petroleum, atomic clocks, and its compounds are used in the production of chemicals. One of the biggest dangers of Cesium is the fact that is lethal to humans if direct contact is made - causing spasms. It is highly reactive, as with all alkali metals. When it comes in contact with water, it is highly reactive (explosive).