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 Hmong are sometimes referred to as the Meo in Laos, Thailand, and Vietnam. In China, one of the official nationalities is Miao, a group that includes Hmong, ancient predecessors of the Hmong, and non-related peoples.n an effort to pacify the Hmong, the French established an autonomous Hmong district that was allowed to partake in self-government. This created competition, however, between the heads of two prominent families in the district, one headed by Fong and one by Bliayao.