easy · LSAT Logical Reasoning

Studies show that patients who consume high amounts of green tea tend to have lower rates of cardiovascular disease. Therefore, drinking green tea is an effective way to improve heart health.

The argument is most vulnerable to criticism on the grounds that it

  1. leaps from an observed link between tea drinking and heart health to claiming the tea itself produces the benefit, ignoring other causes.
  2. overlooks that some people who never drink green tea at all nonetheless still display notably low observed rates of cardiovascular disease.
  3. supposes that green tea is the one and only dietary factor even capable of exerting any meaningful effect on a person's cardiovascular outcomes.
  4. rests its broad conclusion about heart health upon a sample of patients far too skewed and unbalanced to be at all genuinely representative.
  5. fails to specify the exact daily quantity of green tea one must consume before any measurable cardiovascular health benefit begins to appear.

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