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According to Ken Marians, a DNA replication expert at SKI, an abundance of G-to-T tranversions in DNA is a hallmark of smoking-induced damage and has been dubbed the smoking signature. Different types of environmental factors cause different types of mutations

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Best for heavy daily use or as a travel pen

Davidoff Signature Series One of the smoothest cigars available today, the Davidoff Signature Series features an Ecuador Connecticut wrapper leaf over Dominican binders and long-fillers

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Smoking cigarettes near your dog can increase their risk of cancer, according to a new study