منابع مشابه
Contagious Cancer
Although cancer can on occasion be caused by infectious agents such as specific bacteria, parasites, and viruses, it is not generally considered a transmissible disease. In rare circumstances, however, direct communication from one host to another has been documented. The Tasmanian devil is now threatened with extinction in the wild because of a fatal transmissible cancer, devil facial tumor di...
متن کاملDFTD: A Contagious Fatal Cancer that Threatens the Tasmanian Devils
The fact that Tasmanian devils are prone to a bizarre type of contagious facial cancer disease was first noted in 1996 in the far north east of Tasmania, and since then, the disease has spread south and west and now affects devils in over 85% of their distribution territory [1,2]. The disease, termed devil facial tumor disease (DFTD), is spread by biting, causing the appearance of tumors on the...
متن کاملContagious Sets in Expanders
We consider the following activation process in d-regular undirected graphs: a vertex is active either if it belongs to a set of initially activated vertices or if at some point it has at least r active neighbors, where 1 < r ≤ d is the activation threshold. Such processes have been studied extensively in several fields such as combinatorics, computer science, probability and statistical physic...
متن کاملContagious Adverse Selection
We illustrate the corrosive e¤ect of even small amounts of adverse selection in an asset market and how it can lead to the total breakdown of trade. The problem is the failure of market con dence, de ned as approximate common knowledge of an upper bound on expected losses. Small probability events can unravel market con dence. We discuss the role of contagious adverse selection and the proble...
متن کاملFeeling cold is contagious
Seeing someone plunge into an ice-cold bath induces feelings of cold. However, it was recently demonstrated that ie ing another’s skin temperature change also induces a small congruent temperature change in the observer. This synchronization suggests topdown influences on peripheral temperature regulation mechanisms and lends supports to somatic-simulation theories of inter-subjectivity.
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ژورنال
عنوان ژورنال: The Oncologist
سال: 2011
ISSN: 1083-7159,1549-490X
DOI: 10.1634/theoncologist.2010-0301