Top stories in health and medicine this morning, July 18, 2012

This series is brought to you by MedPage Today.

1. Second Diet Drug Wins FDA Approval. For the second time in as many weeks, the FDA has approved a diet drug — phentermine/topiramate (Qsymia).

2. Stroke Severity Key in Ranking Hospital Results. When ranking hospitals on outcomes for treating acute ischemic stroke in Medicare patients, it might be necessary to take into account the patients’ initial stroke severity.

3. Interferon Beta May Not Halt MS Progression. The interferon beta drugs widely used in relapsing-remitting multiple sclerosis (MS) may not delay progression of the disease in real-world practice.

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