Fshn 120: Nutrition
Chapter 1: The Role of Nutrition on Our Health
Nutrition is the science of food and how food nourishes the body and impacts health.
Nutrition is an important component of wellness, and healthful nutrition plays a critical
role in eliminating nutritional deficiency disease and can help reduce our risks for various
Healthy People 2010 is a national health agenda that focuses on health promotion and
disease prevention; its two primary goals are to increase quality and years of life and to
eliminate health disparities in the US population.
Healthy People 2010 includes numerous objectives categorized into twenty0eight focus
areas that target factors including physical activity, overweight and obesity, tobacco use,
and access to health care.
Nutrients are chemicals found in food that are critical to human growth and function.
The six essential nutrients found in the foods we eat are carbohydrates, fats, proteins,
vitamins, minerals, and water.
The nutrients that provide energy for our bodies are the macronutrients: carbohydrates,
fats and proteins.
Carbohydrates are composed of carbons, hydrogen, and oxygen. Carbohydrates are the
primary energy source for our bodies, particularly our brains.
Fats provide us with fat soluble vitamins and essential fatty acids in addition to storing
large quantities of energy.
Proteins can provide energy if needed, but they are not a primary fuel source. Proteins
support tissue growth, repair, and maintenance.
Vitamins assist with the regulation of body processes.
Fat soluble vitamins are soluble in fat and can be stored in our tissues; these include
vitamins A, D, E, and K.
Water soluble vitamins are soluble in water, and we excrete excess amounts in our urine.
These include vitamin C and the vitamin B (thiamin, riboflavin, niacin, vitamin B
, pantothenic acid, biotin, and folate).
Minerals and inorganic substances that are not changed by digestion or other metabolic