A new paradigm for weight controlAll this suggests that the area of weight control is going through a major paradigm shift. The older, simplistic notions of 'change in weight = energy in (food) - energy out (exercise)', are no longer applicable. On the food side of the equation, there has been a shift away from total energy, or total calories, as being solely important, to a greater emphasis on the importance of dietary fat. Energy balance has thus become 'fat balance' and 'dieting' has given way to food planning and lifestyle eating patterns. Similarly, the role of vigorous, organised exercise has given way to a greater emphasis on fat use through longer duration, lower intensity activity, along with an increase in the type of 'incidental movement' that can be added to daily life. The environment, biology and behaviour are also vital in any assessment of causes, and whilst these are mediated through the energy balance equation, no detailed discussion of fat loss management can be considered without them. Finally, more account needs to be taken of the body's physiological adjustment mechanisms. Static equations relating to energy intake and energy expenditure which do not consider the dynamic adjustment of the body to changes in body composition and energy balance are no longer realistic. A more appropriate paradigm would attempt to take account of these adjustments. Hence, the old 'physics' style weight control paradigm is slowly giving way to a new, more personalised 'ecological' approach. After examining the health and physiological effects of fat and how it is measured, we spell out such a paradigm for use in the practical situation. The remainder of the book is then centred around explaining the components of this paradigm and their implications for dealing with overfatness and obesity. *10\186\4* «Buy Lipitor» |
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