The chief of staff for U.S. Rep. Jesse Jackson Jr. says the Illinois Congressman is back in Washington after receiving treatment for depression at the Mayo Clinic in Rochester. The son of civil rights activist Jesse Jackson went on secret medical leave in June, and began treatment for bipolar disorder at the Mayo after being transferred from the Sierra Tucson Treatment Center in Arizona.

The Mayo Clinic hopes its plan for a new cancer network will bring medical care closer to where patients live. Its first partner is the Coborn Cancer Clinic in St. Cloud, which will have access to Mayo doctors and resources.

The deadly skin cancer melanoma is turning up in eight times as many young women and four times as many men compared with 40 years ago, according to a new study from Mayo Clinic. The study didn't suggest a cause, but researchers were quick to point to tanning beds.

The Mayo Clinic confirmed Friday that U.S. Rep. Jesse Jackson Jr. (D-Ill.) is being treated for depression at its hospital in Rochester. The Mayo's statement provided the first details of why the son of civil rights leader Jesse Jackson mysteriously went on a medical leave from Congress several weeks ago. The Mayo said Jesse Jackson Jr. is undergoing an extensive inpatient evaluation for depression and for gastrointestinal issues.

A heartbeat monitoring system that allows doctors to monitor a patient's heartbeat from a mobile device was FDA approved Monday. The device was developed by Minnesota-based Preventice in collaboration with the Mayo Clinic. Mayo cardiologists say the new technology should allow doctors to identify problems earlier by monitoring patients outside the hospital.

A Minnesota doctor said Saturday that U.S. Rep. Jesse Jackson Jr.'s transfer to the Mayo Clinic in Rochester could indicate a complicating physical illness. The Mayo disclosed Friday that the Illinois politician was being treated for depression and a gastrointestinal illness, the first official words on Jackson's health since he secretly took a leave of absence from Congress seven weeks ago.

The partnership between the University of Minnesota, Hormel Foundation and the Mayo Clinic aims to pool their resources together to create a comprehensive research institute -- primarily focusing on cancer.