Diseases, Conditions, Syndromes

More doubt on virus, chronic fatigue connection

A study supported by the U.S. Department of Health and Human Services could not validate or confirm previous research findings that suggested the presence of one of several viruses in blood samples of people living with chronic ...

Medical research

Donated hearts may beat much longer

New technology increases the length of time that a human heart can remain viable for transplant after removal from a donor for transplantation.

Diseases, Conditions, Syndromes

Understanding and preventing gangrene

Dear Mayo Clinic: I have heard that a stubbed toe can lead to gangrene in some individuals. Is that true? What are the signs of gangrene, and how can it be avoided?

Diabetes

Oxygen-tracking method could improve diabetes treatment

Transplanting pancreatic islet cells into patients with diabetes is a promising alternative to the daily insulin injections that many of these patients now require. These cells could act as a bioartificial pancreas, monitoring ...

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