As Anne noted previously, Jesse Jackson, Jr. was on the run for weeks until he was found at a rehab clinic in Arizona.

There has been wild speculation as to the problem.

Now, via The Chicago Tribune, Jackson has been diagnosed with depression and gastrointestinal problems:

Rep. Jesse Jackson Jr. is at the Mayo Clinic in Minnesota “for extensive inpatient evaluation for depression and gastrointestinal issues,” according to a statement from Jackson sent late Friday by Rochester, Minn.-based Mayo.

Jackson’s whereabouts have been a mystery since he went on medical leave June 10. The statement issued Friday said the congressman “has arrived at Mayo Clinic,” but did not say where he came from….

The full text of the statement, which was confirmed by a Mayor Clinic spokeswoman:

“CongressmanJesse Jackson Jr. has arrived at Mayo Clinic in Rochester, Minn., for extensive inpatient evaluation for depression and gastrointestinal issues.

“Further information will be released as Congressman Jackson’s evaluation proceeds.
“Congressman Jackson and his family are grateful for the outpouring of support and prayers that have been received throughout his care.

“NOTE: No additional updates are expected this weekend.”