Q32 What is the set-point hypothesis?That eating a set proportion of fruits, vegetables, protein, grains, and dairy will train the body to crave that proportion of food every dayO That by keeping your glycemic load around a set point, you will more easily lose weightO The idea that each person's body weight is genetically set within a given range that the body works hard to maintainO That by maintaining at least twice as much HDL cholesterol as LDL cholesterol in the body will reduce the risk of heart disease

A hypothesis is a statement made by people based on their experience and assumptions. There is no…

What is the set-point hypothesis? That eating a set proportion of fruits, vegetables, protein, grains, and dairy will train the body to crave that proportion of food every day That by keeping your glycemic load around a set point, you will more easily lose weight The idea that each person's body weight is genetically set within a given range that the body works hard to maintain That by maintaining at least twice as much HDL cholesterol as LDL cholesterol in the body will reduce the risk of heart disease 0 0 00

What is the set-point hypothesis? That eating a set proportion of fruits, vegetables, protein, grains, and dairy will train the body to crave that proportion of food every day That by keeping your glycemic load around a set point, you will more easily lose weight The idea that each person's body weight is genetically set within a given range that the body works hard to maintain That by maintaining at least twice as much HDL cholesterol as LDL cholesterol in the body will reduce the risk of heart disease 0 0 00

Biology Today and Tomorrow without Physiology (MindTap Course List)

5th Edition

ISBN:9781305117396

Author:Cecie Starr, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Christine Evers, Lisa Starr

Chapter2: Molecules Of Life

Section: Chapter Questions

Problem 1DID: Effects of Dietary Fats on Lipoprotein Levels Cholesterol that is made by the liver or that enters...

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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?
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. 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.
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 HDL (good cholesterol) lowest?