Word: acidity
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...road map that would offer some understanding of how this particular strain would be related to those previously gathered. Yi suggested they send their sequences to his lab in Hong Kong, where his technicians and assistants were standing by to use their computer modeling programs to analyze the amino-acid sequences to reconstruct the evolutionary origins of this year's virus. That way, they would be able to compare the two and determine more precisely the real risk level. If the two phylogenetic trees were similar, Yi explained (and Zhong concurred), it would confirm that the disease was again afoot...
...data that returned just an hour later revealed that the two viruses were more than similar: they were almost identical. The 14 amino-acid sequences concurred, which meant that the viruses not only belonged to the same phylogenetic tree, they were also both on the same branch--and practically on the same leaf. The virus that was in those wild-animal markets had somehow infected a human being. The data were so compelling that the committee resolved that afternoon to phone the provincial governor and recommend a culling of civets...
...arginine: This naturally occurring amino acid is a precursor to nitric oxide and is believed to improve the flow of blood to the genitals...
...that high blood levels of vitamins B6 and B12, along with folate, are linked to a reduced risk of breast cancer in some women. And another study, at Georgetown, suggested that B12 and B6 may slow the progression of Alzheimer's disease by lowering blood levels of the amino acid homocysteine...
Some claims for the health benefits of the amino acid arginine sound as if they belong in late-night infomercials (more on that later), but all of them stress one physiological fact that is beyond dispute: proper blood flow is critical to the human body. Sadly, poor circulation in the feet of diabetics leads to 87,000 amputations each year. Little has been available in the way of preventive care beyond special socks and shoes...