HIV/AIDS emerged in the late 20th century. Believed to have originated in Africa, the disease has spread worldwide. Occurrence of HIV/AIDS and primary means of diffusion vary among regions. Because of the social and economic impacts of this disease, students should have a good understanding of the patterns and processes that define the spread of the disease.
(2008) Over the past 50 years, remarkable improvements in health care and higher incomes have benefited older Americans from all racial and ethnic groups. But significant gaps persist and have even widened among some groups.
Project: Combatting Noncommunicable Disease Risk Factors in Youth
(2013) Noncommunicable diseases (NCDs) are a global problem, and the burden they place on individuals and health systems is high and increasing.
(March 2009) When some people reach older ages, they begin to lose their ability to reason and to remember.
(2016) Every year, millions of girls in developing countries marry before their 18th birthday. In Egypt, it is one in six girls.
(2010) U.S.-born Latinos and foreign-born Latinos face widely different social and economic experiences in the United States.
(December 2008) According to the United Nations (UN), "Population ageing is unprecedented, without parallel in human history and the twenty-first century will witness even more rapid ageing than did the century just past."
