PUBH 1517 MASTER Class Notes (Dr. Goldberg)

PUBH 1517 MASTER Class Notes (Dr. Goldberg) - Nutrition...

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Nutrition Winter 2010 Epidemiology – the study of the frequency and distribution of a disease in a population Etiology – causes of a disease “The body heals itself” is an incomplete statement If this was true, everyone would be healthy A true statement would be: o “The body heals itself under the right conditions o i.e. You have to give a plant water or soil for the plant to be healthy Miracle – something occurs that breaks natural law If you drop a pencil and instead of falling to the floor, it goes to the ceiling If you lose an arm and it grows back Diet – the choice of food material that an animal consumes Nutrition – “the sum total of all the processes and functions by which growth and development, maintenance and repair of the body and by which reproduction is accomplished” - Dr. Herbert Shelton o Diet is only one aspect of nutrition If all you eat is raw meat, your on a raw meat diet The terms diet and nutrition are not synonymous Women are usually more attentive to their health than men are. You will usually have more women come into your practice than men unless your practice is in an industrialized area Natural Hygiene: Mans Pristine Way of Life – by Herbert Shelton Factors that Influence Health: Genetics and Environment Genetics have a larger portion of play of what your health is going to be like than any other single factor o Not the only factor o Can be modified (changed) – genes can be turned on or turned off Nutrition is a major interface between individual genetic predisposition, environmental factors, and the development of health disorders o Nutrition, properly understood, involves many areas and is complex o Understanding and addressing nutritional issues, however, opens the door to affecting many factors that are modifiable Every tissue of the body is affected by nutrition Environmental factors can influence how are genes are expressed
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Steps in the Nutrition Process The transformation of raw materials into human flesh o Diet – the choice of foods an organism consumes o Mastication – the initial (first) step in the digestive process o Digestion – the breakdown of food products into small water and fat soluble molecules o Absorption – the transfer of the products of digestion through the intestinal membranes into the circulatory and lymphatic tissues o Assimilation – the transfer of the products of digestion and absorption through the blood and lymphatic systems into the individual cells of the body o Excretion – the excretion of waste at the cellular level , from the cells into the circulatory system o Elimination – the exit from the body of the waste products of the total nutrition process This occurs via the bowels, urinary tract, respiratory tract, and through the skin If these processes are impaired, it doesn’t matter how high the quality of food you are taking in is, improvement will not occur You are what you eat – not true o
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