The Hmong are an ethnic group from the highlands of Laos. When a communist movement called the Pathet Lao began to gain power in Laos during the Vietnam War, the Central Intelligence Agency recruited the Hmong to fight the communists and attack North Vietnamese supply lines. The resulting conflict far outlasted the Vietnam War.
High suicide rate. Approximately 30,000 Japanese people commit suicide each year. Japan has the highest life expectancy rate in the world in part because of universal health insurance, compulsory primary education and a general healthy lifestyle, according to a new study.
The Japanese live longer than anyone else, and Okinawans live longer than anyone else in Japan. The Japanese government says 457 Okinawans are at least 100 years old  34.7 centenarians for every 100,000 islanders, highest ratio in the world.