Based on the options given, the most likely answer to this query is depression and heart disease are correlated, and the risk of heart disease can be reduced by treating depression.
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<span>c. proves our expertise </span>
Since January of 2009, Barack H. Obama has been President of the US.
If he remains physically and mentally able, and doesn't resign the position,
he will remain in office until the winner of the November 2016 Presidential
election is inaugurated in January of 2017.
