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A long-term health study that followed a group of people who

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SVP
Joined: 30 Oct 2003
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Location: NewJersey USA
A long-term health study that followed a group of people who [#permalink]

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06 Jan 2004, 09:29
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22. A long-term health study that followed a group of people who were age 35 in 1950 found that those whose weight increased by approximately half a kilogram or one pound per year after the age of 35 tended, on the whole, to live longer than those who maintained the weight they had at age 35. This finding seems at variance with other studies that have associated weight gain with a host of health problems that tend to lower life expectancy.

Which one of the following, if true, most helps to resolve the apparently conflicting findings?

(A) As people age, muscle and bone tissue tends to make up a smaller and smaller proportion of total body weight.

(B) Individuals who reduce their cholesterol levels by losing weight can thereby also reduce their risk of dying from heart attacks or strokes.

(C) Smokers, who tend to be leaner than nonsmokers, tend to have shorter life spans than nonsmokers.

(D) The normal deterioration of the human immune system with age can be slowed down by a reduction in the number of calories consumed.

(E) Diets that tend to lead to weight gain often contain not only excess fat but also unhealthful concentrations of sugar and sodium.
Manager
Joined: 29 Aug 2003
Posts: 241
Location: MI

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06 Jan 2004, 09:37
A is the only option left after POE.
But, I can't relate it to the stimulus...
Director
Joined: 13 Nov 2003
Posts: 960
Location: Florida

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06 Jan 2004, 09:39
foooo...man, this was difficult ..it still is.

D ??
Manager
Joined: 29 Aug 2003
Posts: 241
Location: MI

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06 Jan 2004, 09:45
dj wrote:
foooo...man, this was difficult ..it still is.

D ??

D is tempting, but the stimulus says that those who "increased" weight lived longer.
But, D says "reducing" weight slows down the immune deterioration..

Hold on....just as I am writing this..I am thinking if cutting down on calories slows the deterioration, then what effect will higher intake of calories have ?

I see now...yes, D can be the answer.
But it involves taking an assumption.
Senior Manager
Joined: 05 May 2003
Posts: 424
Location: Aus

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06 Jan 2004, 09:47
May be D.
At first reading i couldn't choose any of them.
Director
Joined: 13 Nov 2003
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Location: Florida

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06 Jan 2004, 09:49
asandeep wrote:
dj wrote:
foooo...man, this was difficult ..it still is.

D ??

D is tempting, but the stimulus says that those who "increased" weight lived longer.
But, D says "reducing" weight slows down the immune deterioration..

Hold on....just as I am writing this..I am thinking if cutting down on calories slows the deterioration, then what effect will higher intake of calories have ?

I see now...yes, D can be the answer.
But it involves taking an assumption.

yep, this is what I thought and chose D...
SVP
Joined: 30 Oct 2003
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Location: NewJersey USA

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06 Jan 2004, 10:53
The correct answer is C. Can you folks believe it. May be I dont deserve to live in studa.com's planet.

I was struggling between D and E. I chose E
Senior Manager
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06 Jan 2004, 11:02
C doesn't talk about weight increase at all. How can this be the answer ?
SVP
Joined: 30 Oct 2003
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Location: NewJersey USA

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06 Jan 2004, 11:03
I am reconfirming the answer. It is C.
Director
Joined: 13 Nov 2003
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06 Jan 2004, 11:15
anandnk wrote:
I am reconfirming the answer. It is C.

C diverts from generic to a specific example. I think, C provides good explanation to what user said. But, I am sure, this can't come on GMAT. But, ye, for discussions this makes a pretty nice example.
GMAT Club Legend
Joined: 15 Dec 2003
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06 Jan 2004, 11:23
I agree that C could be an analogy to the example at hand. However, smokers' shorter life expectancy could very much be related to problems other than their weight. Thus, C is a plausible explanation at most. D is much much better and more direct
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Paul

SVP
Joined: 30 Oct 2003
Posts: 1790
Location: NewJersey USA

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06 Jan 2004, 11:27
Choices A, D and E have one common base. Not too much weight gain.
People who have health problems may have gained lot of weight. Increasing one pound a year is not such a big deal ( since average life expectancy is not given ). SO it is hard to chose one out of them. D is closest in the sense that it talks about immune system problems.
Director
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06 Jan 2004, 11:37
no doubt D is the best, but
the question here is "..resolve the apparently conflicting findings?"

C provides 1:1 explanation for resolving this conflict. Agree, that the results showed in C is may be b/c of some other cause, but if you dissect in restricted boundaries you will see that C has a point. However much vague it is
Director
Joined: 28 Oct 2003
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06 Jan 2004, 12:22
I'm coming in after the fact, but I agree that C is clearly the right answer.

People who have gained weight live longer, on average.
Weight gain causes diseases which shorten life.

So, we need to explain why, if gaining weight is bad, people who have not gained weight don't live as long. C explains this very well.
Director
Joined: 28 Oct 2003
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06 Jan 2004, 12:25
D makes the opposite point:

"(D) The normal deterioration of the human immune system with age can be slowed down by a reduction in the number of calories consumed. "

Eating less (which makes you thinner), causes you to be healthier.

Where C says

Smoking (which makes you thinner), causes you to die sooner.

Remember, we need to explain why thin people die sooner.
Manager
Joined: 29 Aug 2003
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06 Jan 2004, 12:29
stoolfi wrote:
I'm coming in after the fact, but I agree that C is clearly the right answer.

People who have gained weight live longer, on average.
Weight gain causes diseases which shorten life.

So, we need to explain why, if gaining weight is bad, people who have not gained weight don't live as long. C explains this very well.

Please stoolfi, don't say "C is clearly the right answer"
Its not really clear ...

There is too much thinking to do if C is to be accepted as the answer. But, the same applies to D.
Director
Joined: 13 Nov 2003
Posts: 960
Location: Florida

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06 Jan 2004, 12:32
I banged my head on the wall and realized that newton's third law still exists

thanks, for the explanation, stoofi.
06 Jan 2004, 12:32
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