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Bush takes back power after colonoscopy (2) |
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09:56, July 22, 2007 |
It was the second time that Bush has ceded power to Cheney due to a colonoscopy.
On June 29, 2002, Bush handed over presidential powers to Cheney for more than two hours during a routine colon screening.
Although the results were good, doctors advised him to undergo another colonoscopy after five years.
Bush invoked Section 3 of the 25th Amendment to the U.S. Constitution to make the temporary power transfer.
The amendment was adopted in 1967 as a means of dealing with presidential disability and succession.
Bush, 61, is the second president to invoke the presidential disability clause.
Ronald Reagan was the first.
In July 1985, Reagan underwent colon cancer surgery and ceded power to his deputy, the elder Bush.
The White House said no symptoms of cancer have been found in Bush, who is a routine exerciser.
In 1998 and 1999, two polyps were discovered during medical checks when Bush was governor of Texas.
Since then he has been undergoing regular examinations.
For ordinary people, a colonoscopy to screen for colon cancer is recommended every 10 years.
But for a "higher-risk" individual, or if a colonoscopy detects precancerous polyps, follow-up checks will usually be conducted every three or five years.
Source: Xinhua
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