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"These results show that type 2 diabetes may be prevented, even in people who are on the verge of it, by using a medicine that causes weight loss," said study co-author Dr. Louis Aronne, the Sanford I. Weill Professor of Metabolic Research and director of the Comprehensive Weight Control Center, which is part of the Division of Endocrinology, Diabetes, and Metabolism at Weill Cornell Medicine.

"With the ice melting rapidly, such communities might be replaced by the more generalist ones we found elsewhere."

The open-source tool identified subtle behavioral patterns captured on camera -- changes that might not be noticed by simply looking at the mice.

For example, the mice exhibited unusual patterns of behavior and transitioned more often between different activities -- factors that might be associated with memory and attention deficits.

"I envision this technology will be used to assess patients in the clinic and even in their homes. It gives scientists and doctors a way to solve the very hard problem of diagnosing preclinical stages of disease."