Understanding Nutrition (14th Edition) by Eleanor Noss Whitney, Sharon Rady Rolfes

By Eleanor Noss Whitney, Sharon Rady Rolfes

A couple of million readers make realizing meals the best-selling introductory meals booklet out there this day! Now in its 14th version, this ebook keeps the standard and aid that discerning readers call for in foodstuff functions and technology which are perfect at introductory degrees. New and up to date subject matters refresh each bankruptcy, besides the emphasis on lively studying, assignable content material, and built-in assets that assist you enhance your wisdom and profession. Connecting with you thru an approachable writing kind, knowing food, 14th variation contains twenty chapters on subject matters resembling vitamin making plans, macronutrients, nutrients, nutrition and healthiness, health, lifestyles span food, meals defense, and international starvation, between others. mixed with a gently constructed paintings software and quite a few interactive actions, knowing meals, 14th variation maintains to set the normal for introductory foodstuff texts.

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They may also select foods packaged in containers that can be reused or recycled. Some consumers accept or reject foods that have been irradiated, grown organically, or genetically modified, depending on their approval of these processes (see Chapter and Highlight 19 for a complete discussion). © Wave Royalty Free/Alamy Values Food choices may reflect people’s religious beliefs, po- To enhance your health, keep nutrition in mind when selecting foods. To protect the environment, shop at local markets and reuse cloth shopping bags.

Nutrients: chemical substances obtained from food and used in the body to provide energy, structural materials, and regulating agents to support growth, maintenance, and repair of the body’s tissues. Nutrients may also reduce the risks of some diseases. 2 The Nutrients ❯ LEARN IT Name the six major classes of nutrients and identify which are organic and which yield energy. Biologically speaking, people eat to receive nourishment. Do you ever think of yourself as a biological being made of carefully arranged atoms, molecules, cells, tissues, and organs?

Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it. 13 test the hypothesis. Some examples of various types of research designs are presented in Figure 1-4. Because each type of study has strengths and weaknesses, some provide stronger evidence than others, as Figure 1-4 explains. In attempting to discover whether a nutrient relieves symptoms or cures a disease, researchers deliberately manipulate one variable (for example, the amount of vitamin C in the diet) and measure any observed changes (perhaps the number of colds).

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