Background and Objective: One of the most impressive outcomes of sleep deprivation is its dramatic antidepressant effect in patients with primary depression.

背景与目的：睡眠剥夺的快速抗抑郁效应在生物精神病学研究领域已成为最令人着迷的现象之一。

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While Fed policy was undoubtedly important, it was not the primary cause of the Great Depression or the economy's relapse in 1937.

WSJ: Arthur B. Laffer: Taxes, Depression, and Our Current Troubles

One of the most brutal things about the current global depression was the expansion of the primary gig, swallowing the time to perform your secondary and drying up that supplementary income.

FORBES: Magazine Article

Furthermore, Pfizer has also been strong in the Primary Care sector with drugs to treat conditions like heart disease, arthritis and depression.

FORBES: What The Pfizer-Merck Diabetes Deal Teaches About Today's Pharma R&D