Switching to "low-yield" cigarettes, those that yield less nicotine, tar, and carbon monoxide than regular cigarettes...

Emmaklively June 21, 2021

Wording

I was confused because it says that the testing was done on a standard machine but then the answer choice involved a human population.

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Shula August 17, 2023

^^Yes! I'm also confused by the "standard machine" part. Why is answer E correct? The premises didn't mention humans at all. Could someone please explain? Thank you!

Emil-Kunkin August 17, 2023

Hi, the passage is about whether smoking cigs can cause heart disease. While a machine was used to test the content and composition of cigarettes, a machine is highly unlikely to be actually smoking a pack of cigs, and unless my understanding of biology and machines is deeply flawed, machines don't get heart disease.