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1 几种常见毒品

鸦片 又叫阿片，俗称大烟，吸食者初吸时会感到头晕目眩、恶心或头痛。多次吸食就会上瘾。

海洛因 俗称白粉，由吗啡加工制作而成，会破坏人的免疫功能，导致心、肝、肾等主要脏器的损害。注射吸食还能传播艾滋病等疾病。

吗啡 鸦片中分离出来的一种生物碱，为无色或白色结晶粉末状，比鸦片容易成瘾，会引起精神失常和幻想，过量使用会导致呼吸衰竭而死亡。

大麻 主要活性成分是四氢大麻素，对中枢神经系统有抑制、麻醉作用，饮食后会出现幻觉和妄想，引起精神障碍、思维迟钝，并破坏人体的免疫系统。

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1 Some common drugs 

Opium Also known as thebaica, smokers will feel dizzy, nauseated or headache when they first smoke. If you take it many times, you will become addicted. 

Heroin, commonly known as white powder, is made from morphine, which can damage people's immune function and cause damage to major organs such as the heart, liver, and kidneys. Injecting and smoking can also spread diseases such as AIDS. 

Morphine is an alkaloid isolated from opium. It is a colorless or white crystalline powder. It is more addictive than opium. It can cause mental disorders and fantasies. Excessive use can lead to respiratory failure and death. 

Marijuana  The main active ingredient of cannabis is tetrahydrocannabinoid, which has inhibitory and narcotic effects on the central nervous system, hallucinations and delusions after eating, causing mental disorders, slow thinking, and destroying the body's immune system.