By Frances Sizer, Ellie Whitney
Perfect for either non-majors and mixed-majors, nutrients: techniques AND CONTROVERSIES presents useful purposes and available motives to dispel universal misconceptions approximately nutrients and empower readers to make lasting habit alterations. Do pregnant ladies relatively crave pickles and ice cream? Are carbohydrates solid or undesirable? those and lots of extra subject matters are explored in nutrients: techniques AND CONTROVERSIES. The 13th version of this article dispels universal misconceptions approximately nutrients, and equips you with a radical realizing of significant nutrients thoughts and instruments that empower you to make expert judgements approximately your personal nutrients offerings. recognized for its transparent motives that express you ways themes relate on your existence, the textual content offers the fundamentals of nutrition--from tips to be a superb customer to figuring out the technological know-how of nutrition--and is filled with interactive studying instruments and examine aids that will help you on your path.
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1* Sometimes, these sources provide sound and scientific, and therefore trustworthy, information. More often, though, info*Reference notes are found in Appendix F. mercials, advertorials, and urban legends (defined in Table C1-1) pretend to inform, but in fact aim to sell products by making fantastic promises for health or weight loss with minimal effort and at bargain prices. When scam products are garden tools or stain removers, hoodwinked consumers may lose a few dollars and some pride. When the products are ineffective, untested, or even hazardous “dietary supplements” or “medical devices,” consumers stand to lose the very thing they are seeking: good health.
Time Life Pictures/ Getty Images Nutrition knowledge is of little value if it only helps people to make As on tests. The value comes when people use it to improve their diets. To act on knowledge, people must change their behaviors, and while this may sound simple enough, behavior change often takes substantial effort. The Process of Change Psychologists describe six stages of behavior change, offered in Table 1-9. Knowing these stages can help you to recognize where you stand in relation to your own goals.
Balancing the whole diet to provide enough but not too much of every one of the 40-odd nutrients the body needs for health requires considerable juggling, however. As you will see in Chapter 2, food group plans that cluster rich sources of nutrients into food groups can help you to achieve dietary adequacy and balance because they recommend specific amounts of foods from each group. Balance among the food groups then becomes the goal. Calorie Control Energy intakes should not exceed energy needs.