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Introduction: Smoking is bad for your health.

I. It favors the apparition of many diseases.
                   
                         A. Cancer.

                                  1. Lung cancer.

                                  2. Tongue cancer.


                         B. Mouth diseases.


II. Smoking makes you weaker.

                         A. It makes it more difficult to breath.

                         B. It makes you feel tired before when you are doing sport.



Conclusion: Smoking is bad for your health since it makes you weaker and it also makes you prone to many types of cancer and many other diseases.