"It raises the possibility that there may be a common cause".
So if people with depression show classic sickness behaviour and sick people feel a lot like people with depression – might there be a common cause that accounts for both?
"I thought that was unusual and there must be a common cause," said the paper's senior author, Dr. Dean J. Bonsall, an associate professor of clinical ophthalmology at the University of Cincinnati.
Although CAA is frequent in patients older than 60 years, a reversible vasoconstriction syndrome appears to be a common cause of cSAH in younger patients [24].
But a common cause principle, understood in terms of transition chances, does not imply that there should be a common cause of this correlation.
Based on our data, it is reasonable to postulate that the exhaustion of MSC components in tunica adventitia may also be a common cause of accelerated aging defects in HGPS and WS patients.
Thus A2 would count as a common cause of A4 and A5 if the above probabilistic relations were a definition of what it is to be a common cause.
Dissenters point out that correlation is not necessarily causation; in particular there may be a common cause underlying the correlation between a particular act being chosen and a good state of affairs or outcome.
Reichenbach does not say that his conditions are sufficient for C to be a common cause of A and B, and as Artzenius has noted, they are not (Artzenius 1993 and the entry Reichenbach's common cause principle).
Indeed, chromosome doubling within a species may be a common cause of reproductive isolation, as half the doubled chromosomes will be unmatched when breeding with undoubled organisms.
In his assessment, Dr. Kelley affirmed that CHILD's history and lab results were consistent with "an etiologically unexplained metabolic disorder that appear[ed] to be a common cause of developmental regression".
