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HISTORY156 - Upper Colorado River Basin

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Earlier this month Pat and I took Canyon Spirit’s luxury scenic train trip between Salt Lake City, Utah and Denver, Colorado.  Besides thoroughly enjoying the vista car views, gourmet food, and outstanding service, we were impressed with two other aspects of the trip that are resulting in two blog topics.  The train route from Salt Lake City, Utah to Denver, Colorado.     The first aspect that really caught my attention was passing through the very deep, very narrow Glenwood Canyon, alongside the Colorado River, beginning at Glenwood Springs, and appreciating the incredible engineering and construction effort it must have taken to construct the track bed through the canyon.  Moreover, traversing the same river bed in the canyon was Interstate 70, implying another incredible feat of engineering and construction.  Documenting the history of Glenwood Canyon, including how the railroad route and interstate highway were constructed, will be the subject of my...
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HISTORY155 - Dietary Supplements

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Once again, Pat suggested this topic for a blog.  Recently she pointed out to me the many Costco aisles and shelves that were packed with vitamins and other dietary supplements, and we wondered how that happened, i.e., how did they come to be, and what could they all be for.  So, this blog will be about the development history of dietary supplements.  After an introduction, I will identify the different types (categories) of dietary supplements, and then discuss the development history and marketed benefits of the supplements in each category.  I will finish with a discussion of how dietary supplements are regulated, and the future of dietary supplements. As usual, I will list my primary sources at the end. After completing this article, I realize that it’s much too detailed for the casual reader.   So, I suggest some readers might want to use parts of the article as a source of information - now or later as the need or interest arises.   I...
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