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 Americans are Americans of Hmong descent from Southeast Asia, most notably from Thailand, Vietnam and Laos. Hmong Americans are one group of Asian Americans. Many Lao Hmong war refugees resettled in the US following the North Vietnamese invasion of Laos and Laotian Civil War during the Vietnam War.