Health Chapter 7, Chapter 8, and Environment

the science or study of food and the ways in which the body uses food

a substance in food that provides energy or helps form body tissues and that is necessary for life and growth

a class of energy-giving nutrients that includes sugars, starches, and fiber

a class of energy-giving nutrients; also the main form of energy storage in the body

a class of energy-giving nutrients that are made up of amino acids, which are needed to build and repair body structures and to regulate processes in the body

a class of nutrients that contain carbon and are needed in small amounts to maintain health and allow growth

a class of nutrients that are chemical elements that are needed for certain body processes, such as enzyme activity and bone formation

the state of not having enough of a nutrient to maintain good health

recommended nutrient intakes that will meet the needs of almost all healthy people

recommended daily amount of a nutrient; used on food labels to help people see how a food fits into their diet

a food guidance system that encourages healthy food choices and daily activity

a set of diet and lifestyle recommendations developed to improve health and reduce nutrition-related disease risk in the U.S. population

a measure of the nutrients in a food compared with the energy the food provides

a dietary pattern that includes few or no animal products

the living and nonliving things that surround an organism

a community of living things and the nonliving parts of the community's environment

any precipitation that has a below-normal pH

pollutants released by certain coolants and aerosol sprays

radiation in sunlight that is responsible for tanning and burning skin

the wise use and protection of natural resources

a natural resource that can be replaced over a short period of time

a natural resource that can be used up faster than they can be replenished naturally

the point at which a population is too large to be supported by the available resources

the clearing of trees from natural forests to make space for crops, grazing, or development

reusing materials from used products to make new products

the body's physical response to the need for food

the desire, rather than the need, to eat certain foods

the rate at which energy is used to keep the body alive when in a rested and fasting state

being heavy for one's height

having a significant amount of excess body fat; the state of weighing more than 20 percent above your recommended body weight

the passing down of traits from parents to their biological child

the proportion of body weight that is made up of fat tissue compared to lean tissue

an index of weight in relation to height that is used to assess healthy body weight

a program of sensible eating and exercise habits that keep weight at a healthy level

a diet that requires a major change in eating habits and promises quick weight loss

how you see and feel about your appearance and how comfortable you are with your body

an eating disorder that involves self-starvation, a distorted body image, and low body weight

an eating disorder in which the individual repeatedly eats large amounts of food and then uses behavior such as vomiting or using laxatives to rid the body of the food

eating a large amount of food in one sitting; usually accompanied by a feeling of being out of control

engaging in behaviors such as vomiting or misusing laxatives to rid the body of food

an abnormal response to a food that is triggered by the immune system

the inability to completely digest the milk sugar lactose

an illness caused by eating or drinking a food that contains a toxin or disease causing microorganism

the transfer of contaminants from one food to another