From the ancient, ancient Greek was opium worship and used it as a main trade items in the form of some kind of pain medication. Today, only a small amount is the modulation of users do morphine but be critical control, while the majority are people-with purpose. I myself believe that opium should be banned of buying and selling by the harmful effects of it brings back too large. For the respiratory system: respiratory stimulant drugs cause increased breathing frequency in a short time, then will cause respiratory suppression, especially in overdose. Many cases stop breathing if not timely emergency will lead to death, sometimes not breathing very suddenly. In addition, after the user can cause pulmonary edema, pneumothorax, bleeding, Mediastinal gas spill alveoli, bronchiolitis, pneumonia, clogging up the bronchial ... for the cardiovascular system: The drugs will stimulate increased heart rate, influence directly onto the heart, causes coronary constriction creates severe chest tightness more severe, can cause a heart attack. For the nervous system: in addition to stimulates early nerves to cause euphoria, cheery, drug dependencies ..., can also cause the complications such as seizures, subarachnoid haemorrhage, stroke ... So drugs are harmful to the body should I expect that people are using dung renounce them
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