If a drug enters to your body, will change your blood chemestrie and causes you to feel diffrently.The mariguana causes you to get sleeply.When people do drugs is because they think that is cool or because their friends do that to.Sometimes if you so drugs at the first time, you can get sick or you can die.
Smoking:
The sigarreys are made out of tabacco.The cigarrete can cause your lungs to turn black and it can cause you to have Cancer ,and people can die if they have cancer.The kids can get cancer to dy doing drugs.But if you know that you have cancer and you go to the doctor imeadyatly you will be okay.But if you know and you din't went to the doctor and you go late you can die.And that is why we should not do drugs.