WASHINGTON, Jan. 16, 2018 (Xinhua) -- White House physician, Navy doctor Ronny Jackson, speaks about U.S. President Donald Trump's health during a press briefing at the White House in Washington D.C., the United States, on Jan. 16, 2018. U.S. President Donald Trump's overall health "is excellent" and he did well on cognitive screening, the White House physician said on Tuesday. (Xinhua/Ting Shen/IANS)moreWASHINGTON, Jan. 16, 2018 (Xinhua) -- White House press secretary Sarah Huckabee Sanders (R) introduces White House physician, Navy doctor Ronny Jackson, during a press briefing at the White House in Washington D.C., the United States, on Jan. 16, 2018. U.S. President Donald Trump's overall health "is excellent" and he did well on cognitive screening, the White House physician said on Tuesday. (Xinhua/Ting Shen/IANS)moreWASHINGTON, Jan. 16, 2018 (Xinhua) -- White House physician, Navy doctor Ronny Jackson, speaks about U.S. President Donald Trump's health during a press briefing at the White House in Washington D.C., the United States, on Jan. 16, 2018. U.S. President Donald Trump's overall health "is excellent" and he did well on cognitive screening, the White House physician said on Tuesday. (Xinhua/Ting Shen/IANS)more