In nowadays, many people in the world are used cannabis for relaxation and they used in high-level. And what do you think about cannabis it can make a positive or negative side to you? So, Cannabis has been used in the positive ways many people used them for relaxed or medical in the hospital it can cure cancer or Alzheimer or any disease in the world. In the other hand, people think that cannabis can affect the health if they smoked in high-level. For example, Cannabis can increase the risk of heart attack. Even though if many people smoked cannabis too much they will obtain negative side of cannabis to their health. So, the main negative side of cannabis are can increase the risk of heart attack, a cause of depression, affect to physical health.