Weight loss is not the reason why GB controls diabetes mellitus. Instead, bypassing the foregut and reducing food intake produce the profound long-term alterations in glucose metabolism and insulin action. These findings suggest that our current paradigms of type 2 diabetes mellitus deserve review. The critical lesion may lie in abnormal signals from the gut.

Entecavir monotherapy in HIV-hepatitis B virus coinfected patients, including antiretroviral therapy-naive patients, has significant anti-HIV activity and can result in the development of the M184V variant. Entecavir should not be used in such co-infected patients without concomitant antiretroviral therapy.

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