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In this article we will be discussing what happens to your body when you quit smoking, going through each stage of the cycle, and all the health benefits that come with it

Also, tobacco has a strong smell that bothers some people

Dimensions: 2405 x 3217 px | 20.4 x 27.2 cm | 8 x 10.7 inches | 300dpi Photographer: Retro AdArchives More information: This image could have imperfections as its either historical or reportage

Chromatin is composed of four subunits, called histones, which can be modified via acetylation, methylation or phosphorylation (85), thereby regulating gene transcription (86,87)