December 7, 2016 7:15 PM EST

John Glenn, the first American to orbit the Earth, has been hospitalized for more than a week, an official from Ohio State University said.

Glenn, 95, is at the James Cancer Hospital, Hank Wilson, of OSU’s John Glenn College of Public Affairs, told the Associated Press on Wednesday. Wilson had no further details on Glenn’s condition, but said staying at the cancer hospital didn’t necessarily mean he had cancer.

The former astronaut and U.S. Senator said this year that he had lost some of his eyesight to macular degeneration and a small stroke, the AP reported.

In 1962, Glenn became the first American to orbit the Earth. He served as a U.S. Senator from Ohio from 1974 to 1999.

Glenn was on the cover of TIME twice, in 1962 and 1998.

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