Top stories in health and medicine, October 8, 2012

This series is brought to you by MedPage Today.

1. No Healthcare Savings with ACOs. Accountable care organizations (ACOs) that improved diabetes outcomes by as much as 10% achieved minimal or no cost savings.

2. Aspirin: Protects Brain as Well as Heart. Low-dose aspirin may help forestall cognitive decline in elderly women at high cardiovascular risk.

3. Weight-Loss Drug May Work in Diabetes. One of the newly approved weight-loss agents may also help type 2 diabetics keep their disease in check.

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