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Insomnia: High risk of heart disease and stroke.

Insomnia: High risk of heart disease and stroke.. Respond to Elaina and when responding to your peers’ posts, consider how the work of the scientists they chose has influenced the modern world. Why does their research matter to us as individuals? Are there any connections to the natural-science topic you identified in your news article?

Elaina post

The natural science of biology with the sub-field of genetics is tied to my news article, Insomnia tied to higher risk of heart disease and stroke — Science-daily. Biology is the study of living organisms and Biologist are experts in the field of biology and study these living organisms. In the news story I chose, it talks about scientist taking data from four major group studies that involved 1.3 million people, both with and without heart disease and stroke.  The sub-field of genetics is also apparent because the study was taken a step further and involved the examination of peoples genetic makeup with regards to insomnia.  The news story talks about a genetic mutation for insomnia found in particular people who were associated with having a higher risk for heart disease and stroke.

Francis Collins Francis Collins – Wikipedia, was a physician and geneticist who helped lay the foundation for my news story. He was a  leading experts in the relationship between our DNA and our health. His primary achievement was with his discovery of disease genes, including the gene that caused cystic fibrosis. In my news story, Larsson and Markus discovered through the use of Mendelian randomization,  that a particular gene for insomnia was linked with those people who were at higher risk of heart disease and stroke. Larsson and Markus can use the knowledge laid down from Francis Collins to further their research on the relationship between the mutated gene for insomnia and its affects on heart diseases.

Megan post


The article I chose was how a plant-based diet is lacking choline which is necessary in brain health.  A question I posed was, how does the body best absorb choline?

In searching the history of choline, I learned that choline was first isolated by Adolph Strecker, a German chemist in 1862, when he found it using pig and ox bile,  From there it was chemically synthesized as neurine, by Oscar Liebreich, a German Pharmacologist, in 1865 which was later chemically recognized as choline,

It wasn’t until 1932 when it was learned that choline could be an essential nutrient.  In 1929, Charles Best who later became a professor of Physiology showed in a 1932-1934 study that choline was the active component in lecithin that prevented fatty liver in dogs and rats.  Later through ought the 1940’s it was discovered that choline could affect health in many animals and people.

All the way to the 1970’s Investigators at Columbia University husband and wife, Christina Williams and Warren Meck, decided to look for a correlation of choline brain function, discovering that the dietary availability of choline in the fetus of an infant rat affected its performance on hippocampal function.    All of these discoveries stemmed from the first discovery by Chemist, Adolph Strecker.  This shows that one person’s scientific discovery benefited us in many ways and the research and discovery done has been continuous and extensive.

Insomnia: High risk of heart disease and stroke.


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