Using the random walk model for understanding aging: Comments on "The quadratic hazard model for analyzing longitudinal data on aging, health, and the life span" by A.I. Yashin et al
Phys Life Rev. 2012 Jun;9(2):191-2; discussion 195-7.
doi: 10.1016/j.plrev.2012.05.007.
Epub 2012 May 17.