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Welcome to the Fundamentals of Human 
Nutrition. 

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I'm your instructor and I'm excited to 
guide you through this course and help 

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you learn the basics of human nutrition 
and nutritional science. 

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When it comes to the science of 
nutrition, we are what we eat. 

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In this course, you'll learn exactly what 
that means and how nutrition drives 

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growth and development, as well as 
sustains life. 

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We'll look primarily at the biochemical 
concepts of nutrition, but we'll review 

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how malnutrition is related to disease. 
Think about this word, malnutrition. 

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Maybe the first image that comes to mind 
is that of a starving child failing to 

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thrive. 
But malnutrition is more than that. 

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Mal or bad, poor improper nutrition can 
manifest in many ways, and have many 

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causes. 
Vitamin and mineral deficiencies, protein 

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imbalances, nutrient toxicities, excess 
intake, malabsorption, or 

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overelimination, nutrient storage or 
processing abnormalities, and even 

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genetic mutations and polymorphism can 
all be contributors to malnutrition. 

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In addition to conditions like marasmus 
and kwashiorkor, we can consider 

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diabetes, cardiovascular disease, cancer, 
and obesity as related to malnutrition. 

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Diseases like rickets, osteoporosis 
Beriberi, pellegra, and anemia are 

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manifestations of micronutrient 
malnutrion. 

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Even toxicity diseases like 
hemochromatosis are caused by excess 

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intake, or by impaired processing can be 
considered a form of malnutrition. 

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When we think about preventing and 
treating malnutrition, it may just be a 

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matter of what you do or do not need to 
eat. 

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But, it may be a person to person 
challenge, especially when you're dealing 

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with genetic conditions or compounding 
diseases. 

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In this course, you'll gain a better 
understanding of how one might get to the 

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malnourished state, why we need the 
nutrients we do, and how balanced 

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nutrition fuels the body while chronic 
malnutrition leads to disease. 

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I'll also discuss how we inform the 
public as to what they need to eat and 

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how we determine specific requirements. 
Nutrition is an integral part of the life 

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of any organism, from the simple to the 
complex. 

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When we focus on human nutrition, we'll 
see how the addition of our minds and 

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cultures play a role in what we eat. 
We do not all only eat to survive as our 

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animal co-inhabitants. 
In addition, the food we're eating, both 

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plant and animal in origin, depends on 
what it eats. 

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The nutrients it recieves, processes, or 
is able to synthesize. 

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We'll use various learning tools 
throughout the course to give you 

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opportunities to learn from me, the 
course material, related content, as well 

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as from each other. 
One tool that will serve to both teach 

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you and assess your understanding of each 
topic we cover and how these tie together 

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is the mind map. 
Within the fundamentals of human 

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nutrition, we will learn about the 
macronutrients, the micronutrients, their 

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categories, and components. 
We'll discuss metabolism, including the 

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processing, utilization, and elimination 
of what we eat. Malnutrition, whether 

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from a lack of eating properly or from 
problems in the body, and nutrition over 

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the lifespan. 
We'll go into the details and 

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complexities of the nutritional model. 
But at the core of all of this, I'll keep 

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reminding you, we are what we eat. 
And you'll get a chance to fill in the 

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details as you go through this course. 
I hope you enjoy this course. 

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And not only learn about the science of 
nutrition, finish your mind map, but are 

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able to use this information in your own 
life and work, as well as helping and 

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educating others.