O 7 January 2016, the U.S. Department of Health and Human Services and Department of Agriculture released the Dietary Guidelines for Americans 2015–2020 (1). The preliminary report (released in February 2015) had generated considerable media attention by reversing decades of dogma with the statement that “cholesterol is not a nutrient of concern for overconsumption.” Incredibly, in the final 20...

n engl j med 369;2 nejm.org july 11, 2013 101 taken on behalf of the government, devalue medical ethics for all physicians. The ongoing hunger strike at Guantanamo by as many as 100 of the 166 remaining prisoners presents a stark challenge to the U.S. Department of Defense (DOD) to resist the temptation to use military physicians to “break” the strike through force-feeding. President Barack Oba...

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A simple theory of zone electrophoresis in open-tubular capillaries is developed. According to this theory, to achieve the highest resolution of zones, tubes with as small an inside diameter as possible should be used in combination with as high an applied voltage as feasible. To test this approach, we performed electrophoresis in glass capillaries with an internal diameter of 75 micron and a l...