September 2009 LSAT Section 1 Question 20

A person with a type B lipid profile is at much greater risk of heart disease than a person with a type A lipid profi...

loriantonia7@gmail.com on November 14 at 07:33PM

Confused

Hi, to be honest Im confused how we can infer that because some of the people in type A switched they diet to type B diets after the experiment, that their levels of risk of heart disease increased. It says that they had no benefit, not necessarily that their risk of disease increased. What can I do to make similar inference for future must be true questions?

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Emil-Kunkin on November 15 at 02:46PM

The first sentence of the passage tells us that people with type B profiles are at a greater risk. So, if the only change in a person is that they move from type A to type B, their risk has increased. Its critical to read the passage carefully do you understand what the categories in question are.