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Read about the drugs affecting the central nervous system.

The central nervous system is responsible for directing the functions of all the tissues in the system. The nervous system receives thousands of input signals and transmits them to the brain. These signals are then processed by the brain and the brain discards 99% of them as unimportant. After this evaluation, the selected areas of the peripheral nervous system initiates nerve pulses to the necessary tissues so as to give a proper response.

Chemicals are capable of producing an effect on the action of the central nervous system. The mechanism of drug action on the central nervous system cannot be recognized by a common person. Drugs are very harmful for CNS. Drug testing is quite important to deter people from using drugs. Pass at home drug test kits have benefited parents who suspect their wards for the use of illegal drugs. Read this article thoroughly to know about the drugs affecting the central nervous system.

Stimulants are the drugs that exert action on the central nervous system. Amphetamines, cocaine and caffeine are some of the psychic stimulants. These drugs serve the purpose of enhancing mental alertness and reducing fatigue. However the over dosage of these drugs may increase nervousness, irritability and headache. Caffeine is included in some over the counter medications. The action of caffeine is to block adenosine receptors.

The dosage of amphetamines elevate mood, reduces the feelings of fatigue and hunger, increases the desire to carry out work and boost confidence. They induce the feelings of power, strength, focus, self assertion and enhanced motivation. The misuse of amphetamines is a significant problem. Amphetamines are tested for in the drug testing procedure. It is difficult to pass drug test for amphetamines if you misuse this drug. Misuse of amphetamines include the house wife taking the diet pills, athletes taking these drugs for improving their performances or students misusing this drug for cramming all night before the exams.

These drugs can indeed have a bad effect on the central nervous system. That is why it is mandatory to have a periodic check in companies and schools for the misuse of these drugs by conducting drug tests.