Download A Mathematical Approach to Multilevel, Multiscale Health by Rodrick Wallace PDF

By Rodrick Wallace

This ebook, in line with released stories, takes a distinct point of view at the 30-year cave in of pharmaceutical productiveness within the look for small molecule "magic bullet" interventions. The relentless escalation of inflation-adjusted expense consistent with authorized drugs within the usa -- from $200 million in 1950 to $1.2 billion in 2010 -- has pushed giants to, at most sensible, slavish imitation in drug layout, and at worst, abandonment of analysis and embracing of frequent fraud in buyer advertising.

The booklet adapts formalism throughout a few disciplines to the method for layout of mutilevel interventions, focusing first on molecular, mobile, and bigger scale examples, after which extending the argument to the simplifications supplied by means of the dominant function of social and cultural buildings and methods in person and inhabitants styles of overall healthiness and sickness.

rather than "magic bullets", we needs to now follow "magic ideas" that act throughout either the dimensions and point of association. This e-book offers an introductory roadmap to the hot instruments that would be wanted for the layout of such suggestions.

Readership: Undergraduate, graduate, researchers and pros in biomathematics, biostatistics, mathematical modeling, complicated structures and prescription drugs.

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Extra resources for A Mathematical Approach to Multilevel, Multiscale Health Interventions: Pharmaceutical Industry Decline and Policy Response

Example text

Restricting the argument to two information sources, X and Y , one can define jointly typical paths zi = (xi , yi ) having the joint information source uncertainty H(X, Y ) satisfying H(X, Y ) = H(X) + H(Y |X) ≤ H(X) + H(Y ). Of necessity, then, H(X, Y ) ≤ H(X) + H(Y )if H(Y ) = 0. Within a biological structure, however, there will be an ensemble of possible reactions, driven by the intensity of available metabolic free energy, ˆ as representing an average, M , so that, taking H ˆ ˆ ˆ ). 4) This is a very general result that, by the homology between information and free energy, leads to a model in which interacting biological signals January 10, 2013 26 9:26 P880 - Multiscale Health Interventions - 9in x 6in MULTISCALE HEALTH INTERVENTIONS can ‘canalize’ the overall behavior of the system: Interaction consumes less metabolic free energy than signal isolation.

See Wallace and Fullilove (2008), and references therein. Chapters 10 and 11 will review some of these matters. , riding a bicycle in heavy traffic, followed by localized wound healing – the famous ‘no free lunch’ theorem of Wolpert and Macready (1995, 1997) illuminates the next step in the argument. Wolpert and Macready... have established that there exists no generally superior [computational] function optimizer. There is no ‘free lunch’ in the sense that an optimizer ‘pays’ for superior performance on some functions with inferior performance on others...

Thus ω is a tunable, syntactically-dependent, detection limit that depends critically on the instantaneous topology of the giant component of linked cognitive modules defining the global broadcast. That topology is, fundamentally, the basic tunable syntactic filter across the underlying modular structure, and variation in ω is only one aspect of a much more general topological shift. Further analysis can be given in terms of a topological rate distortion January 10, 2013 24 9:26 P880 - Multiscale Health Interventions - 9in x 6in MULTISCALE HEALTH INTERVENTIONS manifold (Wallace and Fullilove, 2008; Glazebrook and Wallace, 2009a, b).

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