<span>A study performed in 2008 found that 1 in five African Americans lacked health insurance.
This underpins some social issues that need to be solved in order to address fully the African Americans question in the United States, as health insurance expenses could be vital in some procedure in the States.
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The energy needed to raise the temperature of 1 kilogram of water through 1 °C, equal to one thousand small calories and often used to measure the energy value of foods
