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Baking for winter holidays is tradition that may have a

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Baking for winter holidays is tradition that may have a [#permalink] New post 12 Oct 2009, 03:18
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Baking for winter holidays is tradition that may have a sound medical basis. In midwinter, when days are short, many people suffer from a specific type of seasonal depression caused by lack of sunlight. Carbohydrates, both sugars and starches, boost the brain’s levels of serotonin, a neurotransmitter that improve the mood. In this respect, carbohydrates act on the brain in the same way as some antidepressants. Thus, eating holiday cookies may provide an effective form of self-prescribed medication.
Which one of the following can be properly inferred from the passage?
(A) Seasonal depression is one of the most easily treated forms of depression.
(B) Lack of sunlight lowers the level of serotonin in the brain.
(C) People are more likely to be depressed in midwinter than at other times of the year.
(D) Some antidepressants act by changing the brain’s level of serotonin.
(E) Raising the level of neurotransmitters in the brain effectively relieves depression.

Can someone explain with valid reasoning
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Re: Baking for winter holidays is tradition [#permalink] New post 12 Oct 2009, 04:24
kolla wrote:
Baking for winter holidays is tradition that may have a sound medical basis. In midwinter, when days are short, many people suffer from a specific type of seasonal depression caused by lack of sunlight. Carbohydrates, both sugars and starches, boost the brain’s levels of serotonin, a neurotransmitter that improve the mood. In this respect, carbohydrates act on the brain in the same way as some antidepressants. Thus, eating holiday cookies may provide an effective form of self-prescribed medication.
Which one of the following can be properly inferred from the passage?
(A) Seasonal depression is one of the most easily treated forms of depression.
(B) Lack of sunlight lowers the level of serotonin in the brain.
(C) People are more likely to be depressed in midwinter than at other times of the year.
(D) Some antidepressants act by changing the brain’s level of serotonin.
(E) Raising the level of neurotransmitters in the brain effectively relieves depression.

Can someone explain with valid reasoning


We can only clearly infer that by boosting levels of serotonin mood can be improved.

So IMO D.
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Re: Baking for winter holidays is tradition [#permalink] New post 12 Oct 2009, 04:38
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kolla wrote:
Baking for winter holidays is tradition that may have a sound medical basis. In midwinter, when days are short, many people suffer from a specific type of seasonal depression caused by lack of sunlight. Carbohydrates, both sugars and starches, boost the brain’s levels of serotonin, a neurotransmitter that improve the mood. In this respect, carbohydrates act on the brain in the same way as some antidepressants. Thus, eating holiday cookies may provide an effective form of self-prescribed medication.
Which one of the following can be properly inferred from the passage?
(A) Seasonal depression is one of the most easily treated forms of depression.
No. There is no comparison made with other forms of depression.
(B) Lack of sunlight lowers the level of serotonin in the brain.
No. Not mentioned.
(C) People are more likely to be depressed in midwinter than at other times of the year.
No. Nothing about other seasons mentioned.
(D) Some antidepressants act by changing the brain’s level of serotonin.
True. This is at least true with the cookies(sugar, starch) mentioned.
(E) Raising the level of neurotransmitters in the brain effectively relieves depression.
No. Not sure if raising the no of any neurotransmitter will relieve depression.

Can someone explain with valid reasoning


Agree with D
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Re: Baking for winter holidays is tradition [#permalink] New post 12 Oct 2009, 04:48
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Structure of argument:

lack of Sunlight ----> causes --> Seasonal depression.
C.H --> inc level of sero -> mood.
C.H acts as anti depression.

From this Clearly i will go for D.
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Re: Baking for winter holidays is tradition [#permalink] New post 12 Oct 2009, 09:29
IMO D.
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Re: Baking for winter holidays is tradition [#permalink] New post 12 Oct 2009, 10:13
+1 D
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Re: Baking for winter holidays is tradition [#permalink] New post 12 Oct 2009, 13:12
Agree with D

Starch and Sugar boost the brain's serotonin. Starch and Sugar act like some antidepressants.
Therefore Some antidepressants boosts the brain's serotonin.

The other 4 aren't mentioned in the passage
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Re: Baking for winter holidays is tradition [#permalink] New post 07 May 2011, 13:10
D is the answer here . took 1:48 min , somebody tagged this question as inference question so i was a bit cautious , but i think this was a sub-500 level question even under time constraints
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Re: Baking for winter holidays is tradition [#permalink] New post 07 May 2011, 13:22
straight D.
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Re: Baking for winter holidays is tradition [#permalink] New post 06 Sep 2011, 22:00
Can someone explain why B is not the answer , i went with B
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Re: Baking for winter holidays is tradition [#permalink] New post 07 Sep 2011, 18:10
kolla wrote:
Baking for winter holidays is tradition that may have a sound medical basis. In midwinter, when days are short, many people suffer from a specific type of seasonal depression caused by lack of sunlight. Carbohydrates, both sugars and starches, boost the brain’s levels of serotonin, a neurotransmitter that improve the mood. In this respect, carbohydrates act on the brain in the same way as some antidepressants. Thus, eating holiday cookies may provide an effective form of self-prescribed medication.
Which one of the following can be properly inferred from the passage?
(A) Seasonal depression is one of the most easily treated forms of depression.
(B) Lack of sunlight lowers the level of serotonin in the brain.
(C) People are more likely to be depressed in midwinter than at other times of the year.
(D) Some antidepressants act by changing the brain’s level of serotonin.
(E) Raising the level of neurotransmitters in the brain effectively relieves depression.

Can someone explain with valid reasoning


Chose E after contemplating a long time between D and E. OTOH, D makes sense.
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Re: Baking for winter holidays is tradition [#permalink] New post 07 Sep 2011, 21:29
crackHSW wrote:
Can someone explain why B is not the answer , i went with B



yup D should be it...

the passage says that because of lack of sunlight causes depression... but doesnt imply that serotonin levels are lowered...

for instance one can consider this scenario.. depression can be caused by multiple factors X or Y (let x be another element and Y be serotonin)

if X*Y are above a level, the guy is happy... if it receeds below a level the guy gets depressed...

so although Y (serotonin) has remained constant in winter, X could fall to an extent that X*Y is less than the depression line.
and to compensate for the loss of X (which possibly is due to weather conditions and cannot be changed) we are increasing Y to take the score above the depression line..

so B cannot be concluded outright..

D on the other hand says carbohydrates boost the brain’s levels of serotonin, a neurotransmitter that improve the mood.

hence atleast ONE (and in gmat language that is some) antidepressents change the levels of sorotonin.

Thats what i thought while rejecting B as a possible candidate ... hope it helps!!
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Re: Baking for winter holidays is tradition [#permalink] New post 07 Sep 2011, 22:37
+1 D
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Re: Baking for winter holidays is tradition   [#permalink] 07 Sep 2011, 22:37
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