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Little has consistently maintained that the relationship between smoking and health has been insufficiently investigated and is too complex to warrant a conclusion that smoking is a cause of lung cancer or of other diseases

It's a common question, and the answer is often more complicated than you might think

(Image courtesy of Eric Jackson) Springer TG104P, 4 ounces, Series of 1883, proof plate number 9 (from top of inverted right column)

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Different effects of cigarette smoke, heated tobacco product and e-cigarette vapour on orbital fibroblasts in graves' orbitopathy

Some organisms, such as yeasts, molds, bacteria and some algae, are composed of only one cell