These health-related causes and impacts of elevated hematocrit levels have been reported: 1  Fall in plasma levels. 2  Sleep apnea. 3  Dehydration. 4  In cases of dengue fever, a high hematocrit is a danger sign of an increased risk of dengue shock syndrome.
The Hmong traditionally farmed in the mountainous areas of China, Vietnam, Laos, and Thailand. Most of the Hmong were subsistence farmers who grew only enough food to feed their families, because farming was difficult in the mountainous regions where most of them lived.
The red-haired, greâ¦en-eyed Rong people in the west spoke a mixture of Turkic and Indo-European Tocharian. In the Yangtze Valley and South China, Old Tai, Old Viet, and Old Malayic languages were spoken, as well as Hmong-Mien dialects. Tibetan was in the west, Tungusic in the northeast, Old Turanian in the north.