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Note that when strength of association (defined as the magnitude of the relative risk in the exposed group compared with that in the control group) is mentioned throughout this section, it refers to one of the five criteria used to decide whether a positive association in epidemiologic studies indicates causality

This safety profile is particularly critical for products involving direct oral contact and inhalation

Chemical Differences Between Hemp and Tobacco The main difference between hemp and tobacco is in their chemical constituents

while I tiptoed around him with my Barbies

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