Heavy drugs
«heavy» this group of drugs called because they irreparably affect the body and the psyche of man, and is called almost instantly addictive.
Certain kinds of drugs that act on the nervous system are sometimes loosely classified. Usually there are the following categories: Hard drugs are drugs that lead to severe physical addiction. Many countries do not allow people to make, sell or use some of them, other than for medical purposes. Examples of such drugs are heroin, methamphetamine (meth), alcohol and nicotine. If it is legal to sell them, like with alcohol or nicotine, there are often taxes that need to be paid for them.
Classification of DRUGS
Some drugs cannot be classified that way, as they have characteristics of both hard and soft drugs. Examples for such drugs are MDMA (known as Ecstasy), ketamine and caffeine. In the Netherlands, there is a situation where the use of Soft drugs is tolerated.
Hard drugs are divided into two types; • 1)High lipid-soluble drugs: • In this compounds the metabolically sensitive parts are blocked by “stearic packing” (or) by substitution of hydrogen atom with halogen 2)High water -soluble drugs: • These drugs lack substrate properties to the metabolizing enzymes • Their biological half life is very short and these are very potent compounds
NEWS!!!!!!! Russian investigators say they have found what appear to be hard drugs on board the Greenpeace ship seized during a protest in the Arctic last month. "During a search of the ship, drugs (apparently poppy straw and morphine) were confiscated, " Russia's Investigative Committee said.