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.
Hmong-Mien is a family of about thirty languages spoken by the Miao and Yao ethnic groups in south China and north South-East Asia. Though it shares a number of features with languages of the same area (Chinese, Tai-Kadai, and Mon-Khmer), it is considered genetically unrelated to them.