He theorized that TNF and related proteins (cytokines), might be injuring the heart muscle.

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In the mid-1990s he theorized that CTLA-4 might prevent the immune system from mounting an effective response against tumors.

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He theorized that the pain-dulling effect also owed to feedback from the lungs back up through the vagus nerve to the brain.

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All living things, he theorized, have a regulatory effect on the Earth's environment, working together as one complete "superorganism" to sustain life.

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He theorized that psychological problems were rooted in a hidden world of past traumas, subconscious emotions and repressed sexual desires and that digging up these hidden forces could prompt a catharsis in patients.

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All told, these studies might seem to provide evidence that Garret A. FitzGerald , a University of Pennsylvania researcher, was right when he theorized that inhibiting Cox-2 spares the stomach but increases the risk of heart attack.

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He theorized that just as the credibility of an academic work is often weighted by the number and diversity of other works it cites, the importance of any given Web page could also be determined by the number of other pages to which it is linked.

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As they were introduced, Jennings wearing a bejeweled V-neck T-shirt, Roach theorized that he might be in over his head.

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