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US tycoon Donald Trump plays a stroke as he officially opens his new multi-million pound Trump International Golf Links course in Aberdeenshire, Scotland, on July 10, 2012. Work on the course began in July 2010, four years after the plans were originally submitted.  AFP PHOTO / Andy Buchanan        (Photo credit should read Andy Buchanan/AFP/GettyImages)
US tycoon Donald Trump plays a stroke as he officially opens his new multi-million pound Trump International Golf Links course in Aberdeenshire, Scotland, on July 10, 2012. Work on the course began in July 2010, four years after the plans were originally submitted.  AFP PHOTO / Andy Buchanan        (Photo credit should read Andy Buchanan/AFP/GettyImages)

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(2016) How healthy is Donald Trump?

As Donald Trump's campaign attempts to raise doubt about Hillary Clinton's health, the Republican nominee faces scrutiny about his own physical fitness. CNN's Dr. Sanjay Gupta reports.

(2016) How healthy is Donald Trump?

As Donald Trump's campaign attempts to raise doubt about Hillary Clinton's health, the Republican nominee faces scrutiny about his own physical fitness. CNN's Dr. Sanjay Gupta reports.