Question: Since 1950, has life expectancy changed in South Korea?
About the article "South Korea", section "Public health and safety".

Candidate passages:
Although life expectancy has increased significantly since 1950, South Korea faces a number of important health-care issues.
Foremost is the impact of environmental pollution on an increasingly urbanized population.
According to the Ministry of Health and Welfare, chronic diseases account for the majority of diseases in South Korea, a condition exacerbated by the health care system’s focus on treatment rather than prevention.
The incidence of chronic disease in South Korea hovers around 24 percent.
Approximately 33 percent of all adults smoke.
The human immunodeficiency virus (HIV) rate of prevalence at the end of 2003 was less than 0.1 percent.
In 2001 central government expenditures on health care accounted for about 6 percent of gross domestic product (GDP).
South Korea is experiencing a growing elderly population, which leads to an increase in chronic degenerative diseases.
Majority of health care professionals treat patients on curative, rather than preventive treatments, because of the lack of financial incentives for preventive treatments. 
Although life expectancy has increased significantly since 1950, South Korea faces a number of important health-care issues.
Foremost is the impact of environmental pollution on an increasingly urbanized population.
According to the Ministry of Health and Welfare, chronic diseases account for the majority of diseases in South Korea, a condition exacerbated by the health care system's focus on treatment rather than prevention.
The incidence of chronic disease in South Korea hovers around 24 percent.
Approximately 33 percent of all adults smoke.
The human immunodeficiency virus (HIV) rate of prevalence at the end of 2003 was less than 0.1 percent.
In 2001 central government expenditures on health care accounted for about 6 percent of gross domestic product (GDP).
The suicide rate in the nation was 26 per 100,000 in 2008, the highest in the industrialized world.
Young South Korean males were found to be the tallest in all of East Asia, resulting from healthy living conditions, economic development and changes in food culture.
Based on the Asia-Pacific Advisory Committee on Influenza (APACI), South Korea ranked the highest of influenza vaccination in Asia with 311 vaccines per 1,000 people.
South Korea has the highest suicide rate in the developed world.
Heungkuk Life Insurance Co, Ltd.(, established 1950) is a South Korean insurance company headquartered in Seoul, Korea.  
South Korea has had professional baseball since 1982.
There are 9 teams in Korea Baseball Organization league. 
There are great variations in life expectancy between different parts of the world, mostly caused by differences in public health, medical care, and diet.
The impact of AIDS is particularly notable on life expectancy in many African countries.
According to predictions made by the United Nations (UN) in 2002, the life expectancy at birth for 2010–2015 (if HIV/AIDS did not exist) would have been:  70.7 years instead of 31.6 in Botswana  69.9 years instead of 41.5 in South Africa  70.5 years instead of 31.8 in Zimbabwe The UN's predictions were too pessimistic.
Actual life expectancy in Botswana declined from 65 in 1990 to 49 in 2000 before increasing to 66 in 2011.
In South Africa, life expectancy was 63 in 1990, 57 in 2000, and 58 in 2011.
And in Zimbabwe, life expectancy was 60 in 1990, 43 in 2000, and 54 in 2011.
During the last 200 years, African countries have generally not had the same improvements in mortality rates that have been enjoyed by countries in Asia, Latin America, and Europe.
In the United States, African people have shorter life expectancies than their European counterparts.
For example, white Americans born in 2010 are expected to live until age 78.9, but African Americans only until age 75.1.
This 3.8-year gap, however, is the lowest it has been since at least 1975.
The greatest difference was 7.1 years in 1993.
In contrast, Asian-American women live the longest of all ethnic groups in the United States, with a life expectancy of 85.8 years.
The life expectancy of Hispanic Americans is 81.2 years.