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.
As of 1999, fewer than 4,000 Hmong people lived in Detroit. As of 2005, Michigan had 5,400 Hmong people; reflecting an increase from 2,300 in the 1990s. As of 2005, most Hmong in Michigan lived in Metro Detroit in the cities of Detroit, Pontiac, and Warren.