ttuy natural opium is also 1 knife 2 blade, if long-term use will cause addiction, fatal overdose. For the respiratory system: they stimulate respiration causes increased breathing frequency in a short time, then will cause respiratory suppression, especially in overdose. Cardiovascular system: they stimulate the heart rate increases, direct influence over the heart, causes coronary constriction creates severe angina more severe, can cause a heart attack. So, my own opinion is that should prohibit the sale of opium by it too dangerous when we used singly, without the France map of doctor trih things can cause us fatality at anytime.
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