Understanding Nutrition (MindTap Course List)
15th Edition
ISBN: 9781337392693
Author: Eleanor Noss Whitney, Sharon Rady Rolfes
Publisher: Cengage Learning
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Chapter 5, Problem 1BCTQ
Summary Introduction
To explain: The relation between dietary fats and heart health.
Introduction: Some fats will help to promote good health. Fat is essential for the health because it supports a number of body functions. Dietary fats are the fat that is found in food from the plants and animals.
Summary Introduction
To explain: The way in which diverse diets can have similar health outcomes.
Introduction: Diet is the sum of food consumed by a person or other organism. A healthy diet helps to maintain or improve the overall health of the body. Different types of diets are there and they provide the body with essential nutrition.
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Relative to coronary heart disease, why is there a major focus on dietary fat?
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if saturated fat in the diet is replaced with refined carbohydrates, risk for heart disease increases
saturated fats in the diet should be replaced with polyunsaturated and monounsaturated fats
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The USDA dietary guidelines recommend that individuals obtain approximately 0.80 grams of protein for each kilogram of body weight. This number should also fall between 10 and 35 percent of total daily calories. Jose weighs 152 pounds, which is a healthy weight for his height. He consumes about 2,200 calories a day. According to these USDA guidelines for daily protein intake, approximately how many grams of protein should Jose consume every day? (Remember that 1 kilogram = approximately 2.2 pounds)
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Understanding Nutrition (MindTap Course List)
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- Effects of Dietary Fats on Lipoprotein Levels Cholesterol that is made by the liver or that enters the body from food does not dissolve in blood, so it is carried through the bloodstream by lipoproteins. Low-density lipoprotein (LDL) carries cholesterol to body tissues such as artery walls, where it can form deposits associated with cardiovascular disease. Thus, LDL is often called bad cholesterol. Highdensity lipoprotein (HDL) carries cholesterol away from tissues to the liver for disposal, so HDL is often called good cholesterol. In 1990, Ronald Mensink and Martijn Katan published a study that tested the effects of different dietary fats on blood lipoprotein levels. Their results are shown in Figure 2.23. In which group was the level of LDL (bad cholesterol) highest?arrow_forwardEffects of Dietary Fats on Lipoprotein Levels Cholesterol that is made by the liver or that enters the body from food does not dissolve in blood, so it is carried through the bloodstream by lipoproteins. Low-density lipoprotein (LDL) carries cholesterol to body tissues such as artery walls, where it can form deposits associated with cardiovascular disease. Thus, LDL is often called bad cholesterol. Highdensity lipoprotein (HDL) carries cholesterol away from tissues to the liver for disposal, so HDL is often called good cholesterol. In 1990, Ronald Mensink and Martijn Katan published a study that tested the effects of different dietary fats on blood lipoprotein levels. Their results are shown in Figure 2.23. Figure 2.23 Effect of diet on lipoprotein levels. Researchers placed 59 men and women on a diet in which 10 percent of their daily energy intake consisted of cis fatty acids, trans fatty acids, or saturated fats. Blood LDL and HDL levels were measured after three weeks on the diet; averaged results are shown in mg/dL (milligrams per deciliter of blood). All subjects were tested on each of the diets. The ratio of LDL to HDL is also shown. Source, Mensink RP, Katan MB, Effect of dietary trans fatty acids on high-density and low-density lipoprotein cholesterol levels in healthy subjects. NEJM 323(7):43945. An elevated risk of heart disease has been correlated with increasing LDL-to-HDL ratios. Rank the three diets according to their predicted effect on cardiovascular health.arrow_forwardUnhealthy saturated fats are often animal-based, while the more healthy unsaturatedfats are often plant-based. What is the difference between saturated and unsaturated fats inwhole cow’s milk vs. soy milk according to the image?arrow_forward
- A.) What is the protein triangle, who would benefits most from it? B.) What factors influence how much protein a person needs in a day? Express as a percent of daily energy intake as well as in grams.arrow_forwardThe Dietary Guidelines for Americans make all of the following suggestions except: 1) choose diets that emphasize dark green, red and orange vegetables. 2) include beans and nuts. 3) choose foods low in saturated and trans fats. 4) choose diets that emphasize more refined and enriched grain products. 5) choose a diet low in added sugars, solid fats and sodium.arrow_forwardWhich types of fats are best for heart health and why?arrow_forward
- What are the nutrients of vitamin c, rosehip oil, and zinc in our body? If the three were combined together, what are their benefits in our body? how will it fulfill the role of being an effective multivitamin and dietary supplement?arrow_forwardCharmaine wants to eliminate all saturated and unsaturated fats from her diet. Explain why eliminating all fats from your diet can be bad for both your BODY as a whole and your CELLS? Fat is necessary for our body, we should avoid saturated fat and trans fat. Please explain in simple terms.arrow_forwardEgg yolks contain a high amount of cholesterol, but they also contain a high amount of lecithin. From a diet and health standpoint, how do these two molecules complement each other?arrow_forward
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