This document tracks an individual's weight and body mass index over 50 days from March 17 to May 6, 2011. It records their starting weight of 71kg and height of 1.72m. Over this period it shows fluctuations in their weight from a low of 67kg to a high of 82kg, with an overall weight loss of 4kg. It also includes their daily weight changes in kg and weekly weight changes in grams.