English 3

Drugs
Drug is generally directed human form of do medicines addiction, where the drug is a broad
concept of the term, mainly referring to drug abuse, opium, heroin, methamphetamine,
but also in a indispensable plant-dependent, tobacco, alcohol and solvents, etcetera with the
medical use of drugs is a different concept. Drugs, and almost end be natural, such as
the opium poppy is by teddy immature fruit and a direct extraction of natural
products, but most of the drug can only be obtained by chemical synthesis methods.
The processing of essential p traumaaceutic drugs and chemical feedstock production
system is what we call toxic substances. Therefore, the system is both toxic substances
or chemical raw materials medicine, but also manufacturing drugs with agents.
Drug has a many different types. From the sources of drugs, drugs can be divide
into natural, semi-synthetic drugs and synthetic drugs three categories. From the role
of drugs on the human central nervous look, can be divided into inhibitors, stimulant
and hallucinogenic agents. Look from the natural properties of drugs can be divided into
narcotic drugs and psychotropic substances. Time from drug enunciate to see the popular,
can be divided into traditional drugs and new-made drugs.




There are common types of traditional drugs, which are opium, morphine, heroin,
marijuana, pethidine etc. Also have common types of new drugs, which are screwball
(methamphetamine), ecstasy ( methamphetamine derivative), K powder that
ketamine, caffeine etc.
The danger of drugs: (1) drug abuse is harm to society.
1. harm to the family: the family in the event of a drug addict, the family will not beseem a

home. Drug users in the self-destruction, but also harm their families broken, so families

into financial bankruptcy, relatives discrete, even the difficult position of harm and death.

2. substantial damage to the social productive forces: First drug use lead to physical...If you want to get a full(a) essay, order it on our website: Orderessay



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