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Some experts believe that within the next few decades, we will be able

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Some experts believe that within the next few decades, we will be able to identify the dietary pitfalls that lead to a particular group of illnesses. This will allow researchers to discover which foods can prevent health problems, and also which foods lead to health problems. Therefore, those people who follow the dietary standards based on that knowledge will be able to completely avoid the particular group of illnesses.

Which of the following assumptions is necessary to the argument’s conclusion?


(A) Only one dietary strategy can effectively counteract all illnesses.

(B) Eventually, medicine will be almost entirely based on nutrition strategies.

(C) Each member of the particular group of illnesses is caused solely by dietary factors.

(D) All diseases have some dietary causes or cures.

(E) It is difficult to convince people to change their diets without solid proof of the costs or benefits of certain dietary habits.

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Re: Some experts believe that within the next few decades, we will be able  [#permalink]

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New post 21 Jan 2020, 01:31
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(A) Only one dietary strategy can effectively counteract all illnesses - Passage talks about a particular group of illnesses

(B) Eventually, medicine will be almost entirely based on nutrition strategies - Passage talks about Dietary standards not medicines.

(C) Each member of the particular group of illnesses is caused solely by dietary factors - Correct. If Dietary factors are the sole reason for contracting a particular group of diseases, then following a certain strategy would help us completely eliminate them.

(D) All diseases have some dietary causes or cures - Passage does not talk about all diseases.

(E) It is difficult to convince people to change their diets without solid proof of the costs or benefits of certain dietary habits - Passage does not talk about convincing people.

Answer : C
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New post 21 Jan 2020, 01:38
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Ans: C
Each member of the particular group of illnesses is caused solely by dietary factors

Got this answer by eliminating other answer choices.
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Re: Some experts believe that within the next few decades, we will be able  [#permalink]

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New post 21 Jan 2020, 05:57
Some experts believe that within the next few decades, we will be able to identify the dietary pitfalls that lead to a particular group of illnesses. This will allow researchers to discover which foods can prevent health problems, and also which foods lead to health problems. Therefore, those people who follow the dietary standards based on that knowledge will be able to completely avoid the particular group of illnesses.
Which of the following assumptions is necessary to the argument’s conclusion?

(A) Only one dietary strategy can effectively counteract all illnesses. - WRONG. No, not one but many dietary standards are required for some group of illnesses.

(B) Eventually, medicine will be almost entirely based on nutrition strategies. - WRONG. May be a prediction. But its Out of scope.

(C) Each member of the particular group of illnesses is caused solely by dietary factors. - WRONG. There can be unforeseen reasons that may cause the illness of that group. Argument says dietary factors ---> illness 'A' and predicts that in future we would be able to avoid these factors, hence the reverse may or may not be true. But its possible that Reason X ---> illness 'A' OR Reason Y ---> illness 'A'.

(D) All diseases have some dietary causes or cures. - CORRECT. Indirectly it says if some dietary causes are avoided illnesses can be prevented completely. If no dietary causes are there for the diseases then argument falls.

(E) It is difficult to convince people to change their diets without solid proof of the costs or benefits of certain dietary habits. - WRONG. Out of scope.

IMO Answer D.
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Re: Some experts believe that within the next few decades, we will be able  [#permalink]

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New post 21 Jan 2020, 06:07
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Quote:
Some experts believe that within the next few decades, we will be able to identify the dietary pitfalls that lead to a particular group of illnesses. This will allow researchers to discover which foods can prevent health problems, and also which foods lead to health problems. Therefore, those people who follow the dietary standards based on that knowledge will be able to completely avoid the particular group of illnesses.

Which of the following assumptions is necessary to the argument’s conclusion?
(A) Only one dietary strategy can effectively counteract all illnesses.
(B) Eventually, medicine will be almost entirely based on nutrition strategies.
(C) Each member of the particular group of illnesses is caused solely by dietary factors.
(D) All diseases have some dietary causes or cures.
(E) It is difficult to convince people to change their diets without solid proof of the costs or benefits of certain dietary habits.


ARGUMENT
[prem] in future we will identify dietary pitfalls that lead to particular illnesses;
[prem] researchers will discover foods that can lead and prevent such illnesses;
[con] people who follow dietary standards based on this knowledge will be avoid such illnesses.
[asum] such illnesses cannot be caused by something else other than dietary related.

Ans (C) if such illnesses are not caused solely by dietary factors, then those who follow standards will not completely avoid them.
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Re: Some experts believe that within the next few decades, we will be able  [#permalink]

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New post 21 Jan 2020, 06:31
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The right answer is C.

Premise: Some experts believe that within the next few decades, we will be able to identify the dietary pitfalls that lead to a particular group of illnesses. This will allow researchers to discover which foods can prevent health problems, and also which foods lead to health problems.

Conclusion: Therefore, those people who follow the dietary standards based on that knowledge will be able to completely avoid the particular group of illnesses.

The possible flaw in the conclusion of this argument as it stands is that there could be other causes of the specific illnesses that can be avoided based on knowledge of specific dietary standards. So to avoid this flaw in the argument, the author needs to assume that the illnesses are only caused by the diets for which the knowledge is available.

C states that each member of the particular group of illnesses is caused solely by dietary factors. This is the necessary assumption of the argument above as per the above. Hence C is the right answer.

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Re: Some experts believe that within the next few decades, we will be able  [#permalink]

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New post 21 Jan 2020, 20:20
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Some experts believe that within the next few decades, we will be able to identify the dietary pitfalls that lead to a particular group of illnesses. This will allow researchers to discover which foods can prevent health problems, and also which foods lead to health problems. Therefore, those people who follow the dietary standards based on that knowledge will be able to completely avoid the particular group of illnesses.

reseearcher will soon know which food prevent health problems and which lead to health problems
therefore if people follow the stardard base on the knowledge, they will [color=#ff0000]completely
avoid particular group of illness.[/color]

there should be other causes of the illness other than dietary pitfall too right?

therefore, C
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Re: Some experts believe that within the next few decades, we will be able  [#permalink]

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New post 21 Jan 2020, 21:24
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"people who follow the dietary standards based on that knowledge will be able to completely avoid the particular group of illnesses."

But there are many causes lead to a particular group of illnesses.

So option C (Each member of the particular group of illnesses is caused solely by dietary factors.) is a necessary assumption to the argument’s conclusion.

Choice C
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Re: Some experts believe that within the next few decades, we will be able  [#permalink]

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New post 21 Jan 2020, 22:36
conclusion:
Therefore, those people who follow the dietary standards based on that knowledge will be able to completely avoid the particular group of illnesses
use negation technique
All diseases do not have some dietary causes or cures.
IMO D

Some experts believe that within the next few decades, we will be able to identify the dietary pitfalls that lead to a particular group of illnesses. This will allow researchers to discover which foods can prevent health problems, and also which foods lead to health problems. Therefore, those people who follow the dietary standards based on that knowledge will be able to completely avoid the particular group of illnesses.

Which of the following assumptions is necessary to the argument’s conclusion?


(A) Only one dietary strategy can effectively counteract all illnesses.

(B) Eventually, medicine will be almost entirely based on nutrition strategies.

(C) Each member of the particular group of illnesses is caused solely by dietary factors.

(D) All diseases have some dietary causes or cures.

(E) It is difficult to convince people to change their diets without solid proof of the costs or benefits of certain dietary habits.
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Re: Some experts believe that within the next few decades, we will be able   [#permalink] 21 Jan 2020, 22:36
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