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# Scientists now believe that artificial-hip implants, previously though

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Scientists now believe that artificial-hip implants, previously though  [#permalink]

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06 Mar 2020, 03:36
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Scientists now believe that artificial-hip implants, previously thought to be safe, may actually increase the risk of cancer in recipients after about 45 years of use. Though these implants do improve the quality of recipients' lives, the increased risk of cancer is an unacceptable price to pay for these improvements. Therefore, they should be banned.

Which of the following, if true, is the strongest counterargument to the argument above?

(A) Artificial-hip implant surgery can cause severe complications, such as infection, chronic fever, and bone degeneration, and these complications can themselves be crippling or even fatal.
(B) Almost all artificial-hip implant recipients receive their implants at an age when they are unlikely to live more than an additional 30 years.
(C) Although artificial-hip implants increase the risk of cancer after about 45 years of use; a few of the cancers they induce are not fatal.
(D) Since artificial-hip implants are not very common, banning them would cause little hardship.
(E) Although the benefits of artificial-hip implant surgery have remained substantially the same over the past decade, the price of the surgery has risen considerably.

Kudos for the right answer and explanation

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Scientists now believe that artificial-hip implants, previously though  [#permalink]

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08 Mar 2020, 01:13
Scientists now believe that artificial-hip implants, previously thought to be safe, may actually increase the risk of cancer in recipients after about 45 years of use. Though these implants do improve the quality of recipients' lives, the increased risk of cancer is an unacceptable price to pay for these improvements. Therefore, they should be banned.

Which of the following, if true, is the strongest counterargument to the argument above?

Per the author's logic: 45 years of usage lead to cancer----->Cancer unacceptable----> Implants should be banned

What if the implants are used for less than 45 years?

B is a good weakener

(A) Artificial-hip implant surgery can cause severe complications, such as infection, chronic fever, and bone degeneration, and these complications can themselves be crippling or even fatal.
(B) Almost all artificial-hip implant recipients receive their implants at an age when they are unlikely to live more than an additional 30 years.
(C) Although artificial-hip implants increase the risk of cancer after about 45 years of use; a few of the cancers they induce are not fatal.
(D) Since artificial-hip implants are not very common, banning them would cause little hardship.
(E) Although the benefits of artificial-hip implant surgery have remained substantially the same over the past decade, the price of the surgery has risen considerably.

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Re: Scientists now believe that artificial-hip implants, previously though  [#permalink]

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29 Mar 2020, 09:31
carcass wrote:
Scientists now believe that artificial-hip implants, previously thought to be safe, may actually increase the risk of cancer in recipients after about 45 years of use. Though these implants do improve the quality of recipients' lives, the increased risk of cancer is an unacceptable price to pay for these improvements. Therefore, they should be banned.

Which of the following, if true, is the strongest counterargument to the argument above?

(A) Artificial-hip implant surgery can cause severe complications, such as infection, chronic fever, and bone degeneration, and these complications can themselves be crippling or even fatal.
(B) Almost all artificial-hip implant recipients receive their implants at an age when they are unlikely to live more than an additional 30 years.
(C) Although artificial-hip implants increase the risk of cancer after about 45 years of use; a few of the cancers they induce are not fatal.
(D) Since artificial-hip implants are not very common, banning them would cause little hardship.
(E) Although the benefits of artificial-hip implant surgery have remained substantially the same over the past decade, the price of the surgery has risen considerably.

Kudos for the right answer and explanation

It's a straight B.

The moment you read "may actually increase the risk of cancer in recipients after about 45 years of use.". You need to think what if the patient/recipient dies before the age of 45. or the average age of patient alive is less than 45.

You will arrive straight at B in 45 seconds.
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Re: Scientists now believe that artificial-hip implants, previously though  [#permalink]

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29 Mar 2020, 16:29
Scientist assertion that artificial hip implant should be banned is based on the his observation that though hip implant improve the quality life of recipient, it causes increased risk of contracting cancer after 45 years of use.
The assertion of scientist could be weakened if we know that getting quality life is more desirable than being a victim of cancer. Moreover, the age remaining of recipient is less than 45 year at the time of hip implantation. So he is less vulnerable to cancer and can spend rest of life in easy going.

B goes along with it. B seems correct to me.
Re: Scientists now believe that artificial-hip implants, previously though   [#permalink] 29 Mar 2020, 16:29