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Researchers have found that when very overweight people, who tend to h

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Researchers have found that when very overweight people, who tend to h [#permalink]

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Researchers have found that when very overweight people, who tend to have relatively low metabolic rates, lose weight primarily through dieting, their metabolism generally remain unchanged. They will thus burn significantly fewer calories at the new weight than do people whose weight is normally at that level. Such newly thin persons will, therefore, ultimately regain weight until their body size again matches their metabolic rate.

The conclusion of the argument above depends on which of the following assumptions?

(A) Relatively few very overweight people who have dieted down to a new weight tend to continue to consume substantially fewer calories than do people whose normal weight is at that level.

(B) The metabolisms of people who are usually not overweight are much more able to vary than the metabolisms of people who have been very overweight.

(C) The amount of calories that a person usually burns in a day is determined more by the amount that is consumed that day than by the current weight of the individual.

(D) Researchers have not yet determined whether the metabolic rates of formerly very overweight individuals can be accelerated by means of chemical agents.

(E) Because of the constancy of their metabolic rates, people who are at their usual weight normally have as much difficulty gaining weight as they do losing it.

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Re: Researchers have found that when very overweight people, who tend to h [#permalink]

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New post 11 May 2013, 22:53
All duplicate threads on this topic have been merged.

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Re: Researchers have found that when very overweight people, who tend to h [#permalink]

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New post 02 Mar 2014, 14:19
can anyone explain this part:
Quote:
They will thus burn significantly fewer calories at the new weight than do people whose weight is normally at that level.

I don't quite understand why "thus" fits in there.
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Re: Researchers have found that when very overweight people, who tend to h [#permalink]

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"Relatively few" is what is important to note in choice A. Relatively few will continue eating less means a lot will eat more again. Hence they will regain their weight. A is the choice. I picked C without reading A properly.
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Re: Researchers have found that when very overweight people, who tend to h [#permalink]

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New post 05 Oct 2014, 06:27
A: Relatively few very overweight people who have dieted down to a new weight tend to continue to consume substantially fewer calories than do people whose normal weight is at that level.

Because when they do not consume less.. they again go back to the same weight
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Re: Researchers have found that when very overweight people, who tend to h [#permalink]

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New post 26 Oct 2014, 01:28
Taku wrote:
Researchers have found that when very overweight people, who tend to have relatively low metabolic rates, lose weight primarily through dieting, their metabolism generally remain unchanged. They will thus burn significantly fewer calories at the new weight than do people whose weight is normally at that level. Such newly thin persons will, therefore, ultimately regain weight until their body size again matches their metabolic rate.

The conclusion of the argument above depends on which of the following assumptions?

A: Relatively few very overweight people who have dieted down to a new weight tend to continue to consume substantially fewer calories than do people whose normal weight is at that level.
B: The metabolisms of people who are usually not overweight are much more able to vary than the metabolisms of people who have been very overweight.
C: The amount of calories that a person usually burns in a day is determined more by the amount that is consumed that day than by the current weight of the individual.
D: Reseachers have not yet determined whether the metabolic rates of formerly very overweight individuals can be accelerated by means of chemical agents.
E: Because of the constancy of their metabolic rates, people who are at their usual weight normally have as much difficulty gaining weight as they do losing it.



IMO A !!

Author Conclusion is : People who shade their weight, ultimately regain weight until their body size again matches their metabolic rate

Author cited that theory of calorie burning in these people, where he assumes that these people will continue to consume as much calories as they used to in past, or we can say these people will not reduce their calorie consumption & hence they will ultimately gain weight in long run.

Rest all does not fit in question stem & conclusion.

Just not happy bcoz took 3.14 mins !!

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Re: Researchers have found that when very overweight people, who tend to h [#permalink]

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New post 14 Jun 2015, 11:42
Researchers have found that when very overweight people, who tend to have relatively low metabolic rates, lose weight primarily through dieting, their metabolism generally remain unchanged. They will thus burn significantly fewer calories at the new weight than do people whose weight is normally at that level. Such newly thin persons will, therefore, ultimately regain weight until their body size again matches their metabolic rate.

The conclusion of the argument above depends on which of the following assumptions?

Premise 1: Overweight people dieted down to a new weight. This weight lose is because of "dieting". (They have come down from W1 to W2)
Premise 2: Since they will burn more calories than people who are already at less weight (W2).
Conclusion: they will gain weight and go back to previous weight (W1)

Prethinking : Any other reason which doesn't avoid or prevent the weight gain should be the assumption.


A: Relatively few very overweight people who have dieted down to a new weight tend to continue to consume substantially fewer calories than do people whose normal weight is at that level.
Since the overweight people have high metabolism rate than the people at the lower weight so if they eat less food, the metabolism rate can be controlled and they can stay at the lower weight -> which breaks the argument
hence correct.


B: The metabolisms of people who are usually not overweight are much more able to vary than the metabolisms of people who have been very overweight.
as per premise the metabolism is lower than metabolism of the over weight people and weather they can vary or not is out of scope of the argument

C: The amount of calories that a person usually burns in a day is determined more by the amount that is consumed that day than by the current weight of the individual.
Suppose lets say, this option is premise. Then how do you know if "amount that is consumed" is less enough to decrease the metabolism rate or still more to continue the same metabolism rate.

D: Researchers have not yet determined whether the metabolic rates of formerly very overweight individuals can be accelerated by means of chemical agents.
Completely out of scope

E: Because of the constancy of their metabolic rates, people who are at their usual weight normally have as much difficulty gaining weight as they do losing it.
Completely out of scope
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Re: Researchers have found that when very overweight people, who tend to h [#permalink]

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New post 17 Jun 2015, 13:10
Researchers have found that when very overweight people, who tend to have relatively low metabolic rates, lose weight primarily through dieting, their metabolism generally remain unchanged. They will thus burn significantly fewer calories at the new weight than do people whose weight is normally at that level. Such newly thin persons will, therefore, ultimately regain weight until their body size again matches their metabolic rate.

The conclusion of the argument above depends on which of the following assumptions?

The conclusion is that overweight people who lose weight will regain it because their metabolism remains as low as it was prior to the weight loss.

A: Relatively few very overweight people who have dieted down to a new weight tend to continue to consume substantially fewer calories than do people whose normal weight is at that level. If formerly overweight people didn't maintain a low calorie diet, this would cause them to regain the weight, too.
B: The metabolisms of people who are usually not overweight are much more able to vary than the metabolisms of people who have been very overweight. We're concerned with people who have been very overweight.
C: The amount of calories that a person usually burns in a day is determined more by the amount that is consumed that day than by the current weight of the individual. The passage suggests that weight, and not food consumption determines calorie burn.
D: Reseachers have not yet determined whether the metabolic rates of formerly very overweight individuals can be accelerated by means of chemical agents. Chemical agents are out of scope.
E: Because of the constancy of their metabolic rates, people who are at their usual weight normally have as much difficulty gaining weight as they do losing it. People who are at their usual weight are out of scope.
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Re: Researchers have found that when very overweight people, who tend to h [#permalink]

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New post 25 Jul 2016, 06:19
A supports the argument by saying that most of the people will regain weight as per their metabolic rates.(this is what the argument says)

Option A clearly supports the argument , which is necessary for the argument to be true.

if u negate this , most people with new weight stay with their new weight , the argument doesn't hold true.


hope this helps.

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Re: Researchers have found that when very overweight people, who tend to h [#permalink]

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New post 02 Aug 2016, 14:38
overweight people say 90 kg- low metabolic rate (low calorie burning), and it remains UNCHANGED
they reduced their calorie consumption- let's say burning(metabolic rate)- 1500 cal per day consumption reduced from 2300 calorie to 1400 calorie per day,
so they started loosing weight as burning rate more than consumption rate

now normal weight person- say 70 kg, has better burning rate - 2300 calorie and he consumes 2300 calorie, so no weight gain

now this newly thin person (from 90 to 70 kg) still has the same burning rate 1500 cal, as in the premise it is given that it doesn't change.

so if this newly person goes back to same previous diet of 2300 cal- not the dieting diet of 1500 cal, he will start gaining the weight

so the assumption is that- very few over weight people stick to their reduced diet and they get back to the old habits of consuming the same diet - 2300

considering this pls evaluate all the choice and choice A matches with the assumption

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Re: Researchers have found that when very overweight people, who tend to h [#permalink]

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New post 04 Aug 2016, 01:20
Quote:
18. Researchers have found that when very overweight people, who tend to have relatively low metabolic rates, lose weight primarily through dieting, their metabolisms generally remain unchanged. They will thus burn significantly fewer calories at the new weight than do people whose weight is normally at that level. Such newly thin persons will, therefore, ultimately regain weight until their body size again matches their metabolic rate.
The conclusion of the argument above depends on which of the following assumptions?
(A) Relatively few very overweight people who have dieted down to a new weight tend to continue to consume substantially fewer calories than do people whose normal weight is at that level.
(B) The metabolisms of people who are usually not overweight are much more able to vary than the metabolisms of people who have been very overweight.
(C) The amount of calories that a person usually burns in a day is determined more by the amount that is consumed that day than by the current weight of the individual.
(D) Researchers have not yet determined whether the metabolic rates of formerly very overweight individuals can be accelerated by means of chemical agents.
(E) Because of the constancy of their metabolic rates, people who are at their usual weight normally have as much difficulty gaining weight as they do losing it.


Quote:

Hello Experts:
Can you please provide a detailed explanation on why A is the answer?
Thanks in advance.

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Re: Researchers have found that when very overweight people, who tend to h [#permalink]

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New post 24 Sep 2016, 07:22
A.Relatively few very overweight people who have dieted down to a new weight tend to continue to consume substantially fewer calories than do people whose normal weight is at that level.
Negation test - A lot of very overweight people will continue to consume very low calorie food .
If a sizable proportion of such people do so , they won't gain weight . This breaks the assumption

Answer A
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Re: Researchers have found that when very overweight people, who tend to h [#permalink]

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New post 24 Sep 2016, 10:22
I say A since other choices are not relevant to the conclusion no matter which way you put it. If A is true, overweight people who dieted down will regain weight to match their metabolic rate.

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Re: Researchers have found that when very overweight people, who tend to h [#permalink]

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New post 27 Sep 2016, 21:22
Hi,

Could someone help to explain what "regain weight until their body size again matches their metabolic rate" exactly means?

Many thanks!

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Re: Researchers have found that when very overweight people, who tend to h [#permalink]

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New post 18 Dec 2016, 22:28
I'm actually a bit surprised by the low hit rate for this problem. It seems like a pretty clear (A) to me.

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Re: Researchers have found that when very overweight people, who tend to h [#permalink]

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New post 18 Dec 2016, 22:32
thuyduong91vnu wrote:
Hi,

Could someone help to explain what "regain weight until their body size again matches their metabolic rate" exactly means?

Many thanks!


Person 1 (overweight): Slow metabolism, heavy weight
Person 1 (post-weight loss): Slow metabolism, normal weight. According to the problem, this is not the normal state for a person with a slow metabolism
Person 2: Normal metabolism, normal weight

Problem is saying that person 1 will revert back to being overweight because that is where body weight matches metabolic rate

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Re: Researchers have found that when very overweight people, who tend to h [#permalink]

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New post 02 Jan 2017, 00:32
The OA is correct and explanations provided in the thread appear sufficient. If there are any specific questions, please post them here and then click again on the "Request Expert Reply" button – closing this request.

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Re: Researchers have found that when very overweight people, who tend to h [#permalink]

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New post 10 Apr 2017, 05:32
I would say that the right assumption to this question can be derived directly from the author's reasoning.
It is reasonable that if people loose weight by dieting and then return to their former consumer habits it would eventually result in weight regain, thus not get the weight back, overweight people should maintain consuming fewer callories.
Answer A gives us this assumption, and negatiion utterly shutters the author's conclusion.

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Re: Researchers have found that when very overweight people, who tend to h [#permalink]

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New post 03 Jun 2017, 22:39
Taku wrote:
Researchers have found that when very overweight people, who tend to have relatively low metabolic rates, lose weight primarily through dieting, their metabolism generally remain unchanged. They will thus burn significantly fewer calories at the new weight than do people whose weight is normally at that level. Such newly thin persons will, therefore, ultimately regain weight until their body size again matches their metabolic rate.

The conclusion of the argument above depends on which of the following assumptions?

A: Relatively few very overweight people who have dieted down to a new weight tend to continue to consume substantially fewer calories than do people whose normal weight is at that level.
B: The metabolisms of people who are usually not overweight are much more able to vary than the metabolisms of people who have been very overweight.
C: The amount of calories that a person usually burns in a day is determined more by the amount that is consumed that day than by the current weight of the individual.
D: Reseachers have not yet determined whether the metabolic rates of formerly very overweight individuals can be accelerated by means of chemical agents.
E: Because of the constancy of their metabolic rates, people who are at their usual weight normally have as much difficulty gaining weight as they do losing it.

Fact:When very overweight people, who tend to have relatively low metabolic rates, lose weight primarily through dieting, their metabolism generally remain unchanged. i.e., they will thus burn significantly fewer calories at the new weight than do people whose weight is normally at that level.

Missing information:So to maintain the new weight they will have to consume substantially fewer calories than do people whose normal weight is at that level. But such people do not continue to do that . So

Conclusion:they will ultimately regain weight until their body size again matches their metabolic rate.

Choice A matches the missing information
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Re: Researchers have found that when very overweight people, who tend to h [#permalink]

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New post 08 Jun 2017, 00:19
C is out of scope because C talks about which makes burning calories work while the conclusion is about regaining weight.
Also, C even repeats the premise but extends to everybody. The metabolic rate is not changed for the overweight people who are losing weight.

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Re: Researchers have found that when very overweight people, who tend to h [#permalink]

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New post 08 Jun 2017, 00:19
C is out of scope because C talks about which makes burning calories work while the conclusion is about regaining weight.
Also, C even repeats the premise but extends to everybody. The metabolic rate is not changed for the overweight people who are losing weight.

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Re: Researchers have found that when very overweight people, who tend to h   [#permalink] 08 Jun 2017, 00:19

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