Encyclopedia - Amphetamine: Encyclopedia - Amphetamine
Amphetamine 1-phenylpropan-2-amine Class B (UK) diet suppressant ADD ADHD narcolepsy treatment-resistant depression Recreational uses:...   » Read the article

Encyclopedia - Amphetamine: Encyclopedia Ii - Amphetamine - Books
Seabrook, Jeremy (1996). In the Cities of the South:scenes from a developing world, London ; New York : Verso. ISBN 1859849865....   » Read the article

Encyclopedia - Amphetamine: Encyclopedia Ii - Amphetamine - Pharmacology
Amphetamine is a synthetic drug with strong stimulant effects. In the United States, it is most commonly used for treatment of attention ...   » Read the article

Encyclopedia - Amphetamine: Encyclopedia Ii - Amphetamine - Medicinal Use
The experimental medical use of amphetamines began in the 1920s. It was introduced in most of the world in the form of the pharmaceutical...   » Read the article

Encyclopedia - Amphetamine Psychosis: Encyclopedia - Amphetamine Psychosis
Amphetamine psychosis is a form of psychosis which can result from amphetamine or methamphetamine use. Typically it appears after large d...   » Read the article

Encyclopedia - Amphetamine: Encyclopedia Ii - Amphetamine - Performance Enhancing Use
Amphetamines are usually not used by athletes in sports involving extreme cardiovascular efforts, as methamphetamine and amphetamine put ...   » Read the article

Encyclopedia - Adderall: Encyclopedia - Adderall
Adderall® CII is a pharmaceutical amphetamine used to treat attention-deficit hyperactivity disorder and narcolepsy. It was first prescr...   » Read the article

Encyclopedia - Amphetamine: Encyclopedia Ii - Amphetamine - Effects Of Use
Amphetamines release stores of norepinephrine and dopamine from nerve endings by converting the respective molecular transporters into op...   » Read the article

Encyclopedia - Amphetamine Psychosis: Encyclopedia Ii - Amphetamine Psychosis - Overview
Amphetamine psychosis can include delusions, hallucinations and thought disorder. This is thought to be largely due to the increase in do...   » Read the article

Encyclopedia - Benzphetamine: Encyclopedia - Benzphetamine
Benzphetamine (brand name: Didrex) is an anti-obesity drug marketed under this brand in the USA by Pharmacia. Benzphetamine is used as a ...   » Read the article

Encyclopedia - Cathinone: Encyclopedia - Cathinone
Cathinone (S)-2-amino-1-phenyl-1-propanone ? Recreational uses: Yes, used by chewing the leaves of the Khat plant to produce stimulan...   » Read the article

Encyclopedia - Anorectic: Encyclopedia - Anorectic
Anorectics, anorexigenics or appetite suppressants, are substances which reduce the desire to eat ("anorectic", from the Greek an- = "not...   » Read the article

Encyclopedia - 2,5-dimethoxy-4-nitroamphetamine: Encyclopedia - 2,5-dimethoxy-4-nitroamphetamine
DON 2,5-dimethoxy-4-nitroamphetamine is an analogue of DOM and DOB. It is also closely related to 2C-N, and produces hallucinogenic, psyc...   » Read the article

Encyclopedia - Stimulant: Encyclopedia - Stimulant
A stimulant is a drug that increases the activity of the sympathetic nervous system and produces a sense of euphoria or the feeling of be...   » Read the article

Encyclopedia - Methylphenidate: Encyclopedia - Methylphenidate
Methylphenidate methyl a-phenyl-2-piperidineacetate Ritalin: 5 mg, 10 mg, and 20 mg tablets; Ritalin SR: 20 mg table...   » Read the article

Encyclopedia - Uncle Fester Author: Encyclopedia - Uncle Fester Author
Uncle Fester is the author of such controversial books as "Secrets of Methamphetamine Manufacture," and "Silent Death." Uncle Fester auth...   » Read the article

Encyclopedia - 2,5-dimethoxy-4-ethylamphetamine: Encyclopedia - 2,5-dimethoxy-4-ethylamphetamine
DOET, HECATE, or 2,5-dimethoxy-4-ethylamphetamine is an analogue of DOM, and is the three-carbon chain homologue to 2C-E. It produces hal...   » Read the article

Encyclopedia - 2,5-dimethoxy-4-iodoamphetamine: Encyclopedia - 2,5-dimethoxy-4-iodoamphetamine
DOI or 2,5-dimethoxy-4-iodoamphetamine is a psychedelic hallucinogenic drug of the phenethylamine family. Despite being a substituted amp...   » Read the article

Encyclopedia - 3,4-methylenedioxyamphetamine: Encyclopedia - 3,4-methylenedioxyamphetamine
3,4-methylenedioxyamphetamine, or MDA, is a psychedelic hallucinogenic drug and Empathogen/Entactogen of the phenethylamine family. It w...   » Read the article

Encyclopedia - 34-methylenedioxyamphetamine: Encyclopedia - 34-methylenedioxyamphetamine
3,4-methylenedioxyamphetamine, or MDA, is a psychedelic hallucinogenic drug and Empathogen/Entactogen of the phenethylamine family. It w...   » Read the article

Encyclopedia - 4-fmp: Encyclopedia - 4-fmp
4-FMP, also known by it's full chemical name 4-fluoroamphetamine, or 4-Fluoro-alpha-Methyl-Phenethylamine, is a central nervous system st...   » Read the article

Encyclopedia - Amphetamine: Encyclopedia Ii - Amphetamine - Legal Issues
Example 1: In the United Kingdom, amphetamines are regarded as Class B drugs. The maximum penalty for unauthorised possession is three mo...   » Read the article

Encyclopedia - Mph: Encyclopedia - Mph
MPH is a three-letter acronym that refers to: miles per hour Master's in Public Health Methylphenidate (MPH) is an amphetamine-like pres...   » Read the article

Encyclopedia - 25-dimethoxy-4-nitroamphetamine: Encyclopedia - 25-dimethoxy-4-nitroamphetamine
DON 2,5-dimethoxy-4-nitroamphetamine is an analogue of DOM and DOB. It is also closely related to 2C-N, and produces hallucinogenic, psyc...   » Read the article

Encyclopedia - Psychosis: Encyclopedia - Psychosis
Psychosis is a generic psychiatric term for mental states in which the components of rational thought and perception are severely impaire...   » Read the article

Encyclopedia - Urinary Retention: Encyclopedia - Urinary Retention
Urinary retention also known as ischuria is a lack of ability to urinate. It is a common complication of benign prostatic hypertrophy (al...   » Read the article

Encyclopedia - 3c-p: Encyclopedia - 3c-p
3C-P is a psychedelic phenethylamine, sometimes used as an entheogen. It has structural and pharmacodynamic properties similar to the dru...   » Read the article

Encyclopedia - Adderall: Encyclopedia Ii - Adderall - Use
Adderall is a central nervous system stimulant composed of four amphetamine salts: amphetamine aspartate, amphetamine sulfate, dextroamph...   » Read the article

Encyclopedia - Adderall: Encyclopedia Ii - Adderall - Performance-enhancing Use And Abuse
Because Adderall uses amphetamine stimulants to help the user concentrate for extended periods of time, many students today request Adder...   » Read the article

Encyclopedia - Dopamine Hypothesis Of Schizophrenia: Encyclopedia Ii - Dopamine Hypothesis Of Schizophrenia - Evidence For The Dopamine Hypothesis
Some of the most obvious evidence for this theory is from the effect of drugs such as amphetamine and cocaine. These drugs (and others li...   » Read the article

Encyclopedia - Methamphetamine: Encyclopedia Ii - Methamphetamine - Production
Methamphetamine is structurally similar to methcathinone, amphetamine, and other stimulants, and it may be produced from ephedrine or pse...   » Read the article

Encyclopedia - Methamphetamine: Encyclopedia Ii - Methamphetamine - Production
Methamphetamine is structurally similar to methcathinone, amphetamine, and other stimulants, and it may be produced from ephedrine or pse...   » Read the article

Encyclopedia - Methamphetamine: Encyclopedia Ii - Methamphetamine - Production
Methamphetamine is structurally similar to methcathinone, amphetamine, and other stimulants, and it may be produced from ephedrine or pse...   » Read the article

Encyclopedia - Psychosis: Encyclopedia Ii - Psychosis - Medical Understanding Of Psychosis
There are a number of possible causes for psychosis. Psychosis may be the result of an underlying mental illness such as Bipolar disorder...   » Read the article

Encyclopedia - Psychosis: Encyclopedia Ii - Psychosis - Medical Understanding Of Psychosis
There are a number of possible causes for psychosis. Psychosis may be the result of an underlying mental illness such as bipolar disorder...   » Read the article

Encyclopedia - Methcathinone: Encyclopedia Ii - Methcathinone - Addiction
In preclinical studies, methcathinone hydrochloride produces an abuse potential similar to that of the amphetamines. Methcathinone can be...   » Read the article

Encyclopedia - Methcathinone: Encyclopedia Ii - Methcathinone - Street Names
Cat, Jeff, Bathtub Speed, Wannabe-Speed, Kitty, Meth's Cat, Meth's Kitten In Europe, methcathinone is primarily known as Ephedrone. Metha...   » Read the article

Encyclopedia - Dextroamphetamine: Encyclopedia Ii - Dextroamphetamine - Clinical Uses
Its only accepted indications are for children and adults with attention deficit hyperactivity disorder (ADHD) or well-established narcol...   » Read the article

Encyclopedia - Dopamine: Encyclopedia Ii - Dopamine - Dopamine And Psychosis
Disruption to the dopamine system has also been strongly linked to psychosis and schizophrenia. Dopamine neurons in the mesolimbic pathwa...   » Read the article

Encyclopedia - Methamphetamine: Encyclopedia Ii - Methamphetamine - History
Methamphetamine was first synthesized in 1919 in Japan by the chemist A. Ogata. The method of synthesis was reduction of ephedrine using ...   » Read the article

Encyclopedia - Methamphetamine: Encyclopedia Ii - Methamphetamine - Physical And Chemical Properties Of Methamphetamine
Methamphetamine is an alkaloid similar in structure to amphetamine and MDMA (Ecstasy). Compared to most illegal drugs, methamphetamine is...   » Read the article

Encyclopedia - Dopamine: Encyclopedia Ii - Dopamine - Dopamine And Psychosis
Disruption to the dopamine system has also been strongly linked to psychosis and schizophrenia. Dopamine neurons in the mesolimbic pathwa...   » Read the article

Encyclopedia - Methcathinone: Encyclopedia Ii - Methcathinone - Chemistry
Methcathinone is very similar in structure to cathinone, a stimulant alkaloid occurring in the shrub Catha edulis (Khat), the synthetic s...   » Read the article

Encyclopedia - Clandestine Chemistry: Encyclopedia Ii - Clandestine Chemistry - Amphetamines
Clandestine chemistry made its mark in the late 1960s when amphetamines became illegal. Biker gangs including the Hell's Angels took cont...   » Read the article

Encyclopedia - Methamphetamine: Encyclopedia Ii - Methamphetamine - History
Methamphetamine was first synthesized in 1919 in Japan by the chemist A. Ogata. The method of synthesis was reduction of ephedrine using ...   » Read the article

Encyclopedia - Methamphetamine: Encyclopedia Ii - Methamphetamine - Physical And Chemical Properties Of Methamphetamine
Methamphetamine is an alkaloid similar in structure to amphetamine and MDMA (Ecstasy). Compared to most illegal drugs, methamphetamine is...   » Read the article

Encyclopedia - Clandestine Chemistry: Encyclopedia Ii - Clandestine Chemistry - History
Ancient forms of clandestine chemistry included the manufacturing of poisons. Another old form of clandestine chemistry is the illegal br...   » Read the article

Encyclopedia - Clandestine Chemistry: Encyclopedia Ii - Clandestine Chemistry - Precursor Chemicals
With the exception of cannabis, and other herbal plants (like kava kava, salvia divinorum) every illicit drug requires chemicals to be re...   » Read the article

Encyclopedia - Clandestine Chemistry: Encyclopedia Ii - Clandestine Chemistry - Leading Suppliers Of Precursor Chemicals
Chemicals critical to the production of cocaine, heroin, and synthetic drugs are produced in many countries throughout the world. Many ma...   » Read the article

Encyclopedia - Clandestine Chemistry: Encyclopedia Ii - Clandestine Chemistry - Enforcement Of Controls On Precursor Chemicals
Operation Purple is a U.S. DEA driven international chemical control initiative designed to reduce the illicit manufacture of cocaine in ...   » Read the article

Encyclopedia - Clandestine Chemistry: Encyclopedia Ii - Clandestine Chemistry - Modern
Clandestine chemistry does not limit itself only to drugs, it is also associated with explosives, and other illegal chemicals. Nitroglyce...   » Read the article

Encyclopedia - Desoxyn: Encyclopedia Ii - Desoxyn - Indications And Contraindications
Generally, the recommended uses of Desoxyn are similar to the other amphetamine-class stimulants (such as Adderall, Dexedrine or methylph...   » Read the article

Encyclopedia - Dextroamphetamine: Encyclopedia Ii - Dextroamphetamine - Side Effects
Possible adverse effects of dexamphetamine include insomnia, reduced appetite, dependence, nervousness, restlessness, irritability, and e...   » Read the article

Encyclopedia - Methylphenidate: Encyclopedia Ii - Methylphenidate - Criticism
Methylphenidate - Overprescription. Treating children with stimulant medication, and methylphenidate in particular, has become controve...   » Read the article

Encyclopedia - Dopamine Hypothesis Of Schizophrenia: Encyclopedia Ii - Dopamine Hypothesis Of Schizophrenia - Evidence Against The Dopamine Hypothesis
Further experiments, conducted as new methods were developed (particularly the ability to use PET scanning to examine drug action in the ...   » Read the article

Encyclopedia - Dopamine: Encyclopedia Ii - Dopamine - Functions Of Dopamine In The Brain
Dopamine - Role in Movement. Dopamine is critical to the way the brain controls our movements and is a crucial part of the basal gangli...   » Read the article

Encyclopedia - Methcathinone: Encyclopedia Ii - Methcathinone - Effects
The effects of methcathinone are similar to those of methamphetamine, but generally less intense, and often more euphoric. The effects ha...   » Read the article

Encyclopedia - Methcathinone: Encyclopedia Ii - Methcathinone - Use And Pharmacology
Methcathinone is usually sold in quantities of one fourth of a gram, 1 gram, 3.5 grams ("8-ball") or an ounce (28.35 grams). The powdered...   » Read the article

Encyclopedia - Methcathinone: Encyclopedia Ii - Methcathinone - Clinical Use
As a Schedule-1 drug, there is no legal clinical use. Research without a specific DEA permit is prohibited. Furthermore, anecdotal report...   » Read the article

Encyclopedia - Ecstasy Drug: Encyclopedia Ii - Ecstasy Drug - Supply And Administration
MDMA is usually ingested in pill form. Pills come in a variety of "brands", usually identified by the icons stamped on the pills. The bra...   » Read the article

Encyclopedia - Methcathinone: Encyclopedia Ii - Methcathinone - History
Methcathinone was first synthesized in Germany in 1928. It was used in the Soviet Union during the 1930s and 1940s as an anti-depressant....   » Read the article

Encyclopedia - Dsm-iv Codes: Encyclopedia Ii - Dsm-iv Codes - Disorders Usually First Diagnosed In Infancy Childhood Or Adolescence
DSM-IV Codes - Mental retardation. 317 Mild Mental Retardation 318.0 Moderate Mental Retardation 318.1 Severe Mental Retardation 318.2...   » Read the article

Encyclopedia - Dsm-iv Codes: Encyclopedia Ii - Dsm-iv Codes - Delirium Dementia And Amnestic And Other Cognitive Disorders
DSM-IV Codes - Delirium. 293.0 Delirium Due to...[Indicate the General Medical Condition] 780.09 Delirium NOS DSM-IV Codes - Dementi...   » Read the article

Encyclopedia - Dsm-iv Codes: Encyclopedia Ii - Dsm-iv Codes - Mood Disorders
DSM-IV Codes - Depressive Disorders. 300.4 Dysthymic Disorder Major Depressive Disorder Major Depressive Disorder, Recurrent 296.36 ...   » Read the article

Encyclopedia - Dopamine: Encyclopedia Ii - Dopamine - Functions Of Dopamine In The Brain
Dopamine - Role in movement. Dopamine is critical to the way the brain controls our movements and is a crucial part of the basal gangli...   » Read the article

Encyclopedia - Dsm-iv Codes: Encyclopedia Ii - Dsm-iv Codes - Sleep Disorders
DSM-IV Codes - Primary Sleep Disorders. 307.44 Primary Hypersomnia 307.42 Primary Insomnia 347 Narcolepsy 780.59 Breathing-Related Sle...   » Read the article

Encyclopedia - Uncle Fester Author: Encyclopedia Ii - Uncle Fester Author - Short Bio
"Uncle Fester" is the nom de plume used by Steve Preisler to write his books. He gained underground fame after publishing his first book ...   » Read the article

Encyclopedia - Methylphenidate: Encyclopedia Ii - Methylphenidate - History
Methylphenidate was patented in 1954 by the Ciba Pharmaceutical Company (a precursor to Novartis) and was initially prescribed as a treat...   » Read the article

Encyclopedia - Methylphenidate: Encyclopedia Ii - Methylphenidate - Effects
Methylphenidate is a central nervous system (CNS) stimulant. It has a "calming" effect on many children who have ADHD, reducing impulsive...   » Read the article

Encyclopedia - Methylphenidate: Encyclopedia Ii - Methylphenidate - Formulations
Most products containing methylphenidate contain a racemic mixture of dextro-methylphenidate and laevo-methylphenidate, although it is on...   » Read the article

Encyclopedia - 34-methylenedioxyamphetamine: Encyclopedia Ii - 34-methylenedioxyamphetamine - Effects
A recreational dose of MDA is commonly between 80 and 160mg. The “R” optical isomer is more potent than the “S” optical isomer. A...   » Read the article

Encyclopedia - Dopamine: Encyclopedia Ii - Dopamine - Biochemistry
Dopamine has the chemical formula (C6H3(OH)2-CH2-CH2-NH2). Its chemical name is 4-(2-aminoethyl)benzene-1,2-diol and it is abbreviated "D...   » Read the article

Encyclopedia - 3,4-methylenedioxyamphetamine: Encyclopedia Ii - 3,4-methylenedioxyamphetamine - Effects
A recreational dose of MDA is commonly between 80 and 160mg. The “R” optical isomer is more potent than the “S” optical isomer. A...   » Read the article

Encyclopedia - Dopamine: Encyclopedia Ii - Dopamine - Therapeutic Use
Levodopa is a dopamine precursor used to treat Parkinson's disease. It is typically co-administered with an inhibitor of peripheral catec...   » Read the article

Encyclopedia - Methamphetamine: Encyclopedia Ii - Methamphetamine - Effects
Methamphetamine is a potent central nervous system stimulant that affects the brain by acting on the mechanisms responsible for regulatin...   » Read the article

Encyclopedia - Myristicin: Encyclopedia Ii - Myristicin - Uses
There have been speculations in 1963 by Alexander Shulgin that myristicin could be converted to an amphetamine metabolite in the liver by...   » Read the article

Encyclopedia - Pseudoephedrine: Encyclopedia Ii - Pseudoephedrine - Nomenclature
Pseudoephedrine is the International Nonproprietary Name (INN) of the (1S,2S)- diastereomer of ephedrine (which has 1R,2S- configuration)...   » Read the article

Encyclopedia - Methamphetamine: Encyclopedia Ii - Methamphetamine - Addiction
Methamphetamine is an addictive drug. While withdrawal symptoms are less pronounced than those of alcohol or opiates (such as heroin), th...   » Read the article

Encyclopedia - Pseudoephedrine: Encyclopedia Ii - Pseudoephedrine - Mode Of Action
Pseudoephedrine is a sympathomimetic amine - that is, its principal mechanism of action relies on its indirect action on the adrenergic r...   » Read the article

Encyclopedia - Methamphetamine: Encyclopedia Ii - Methamphetamine - Methods Of Use
Methamphetamine can be swallowed, snorted, smoked, dissolved in water and injected, or inserted anally (with or without dissolution in wa...   » Read the article

Encyclopedia - Pseudoephedrine: Encyclopedia Ii - Pseudoephedrine - Clinical Use
By acting on α-adrenergic receptors in the mucosa of the respiratory tract, pseudoephedrine produces vasoconstriction, which shrinks swo...   » Read the article

Encyclopedia - Methamphetamine: Encyclopedia Ii - Methamphetamine - Legality
Methamphetamine is classified as a Schedule II substance by the DEA in the United States. Internationally, methamphetamine is a Schedule ...   » Read the article

Encyclopedia - Pseudoephedrine: Encyclopedia Ii - Pseudoephedrine - Adverse Effects
Pseudoephedrine has been associated with the following adverse drug reactions (ADRs). Common ADRs include: nervousness, restlessness, ins...   » Read the article

Encyclopedia - Dopamine: Encyclopedia Ii - Dopamine - Biochemistry
Dopamine has the chemical formula (C6H3(OH)2-CH2-CH2-NH2). Its chemical name is 4-(2-aminoethyl)benzene-1,2-diol and it is abbreviated "D...   » Read the article

Encyclopedia - Pseudoephedrine: Encyclopedia Ii - Pseudoephedrine - Misuse And Illicit Use
There have also been reports of off-label uses of pseudoephedrine for its stimulant properties. Some patients, long-distance truck driver...   » Read the article

Encyclopedia - 34-methylenedioxyamphetamine: Encyclopedia Ii - 34-methylenedioxyamphetamine - Effects
A recreational dose of MDA is commonly between 80 and 160mg. The “R” optical isomer is more potent than the “S” optical isomer. A...   » Read the article

Encyclopedia - Dopamine: Encyclopedia Ii - Dopamine - Therapeutic Use
Levodopa is a dopamine precursor used to treat Parkinson's disease. It is typically co-administered with an inhibitor of peripheral catec...   » Read the article

Encyclopedia - Methamphetamine: Encyclopedia Ii - Methamphetamine - Effects
Methamphetamine is a potent central nervous system stimulant that affects the brain by acting on the mechanisms responsible for regulatin...   » Read the article

Encyclopedia - Methamphetamine: Encyclopedia Ii - Methamphetamine - Addiction
Methamphetamine is an addictive drug. While withdrawal symptoms are less pronounced than those of alcohol or opiates (such as heroin), th...   » Read the article

Encyclopedia - Methamphetamine: Encyclopedia Ii - Methamphetamine - Methods Of Use
Methamphetamine can be swallowed, snorted, smoked, dissolved in water and injected, or inserted anally (with or without dissolution in wa...   » Read the article

Encyclopedia - Methamphetamine: Encyclopedia Ii - Methamphetamine - Legality
Methamphetamine is classified as a Schedule II substance by the DEA in the United States. Internationally, methamphetamine is a Schedule ...   » Read the article

Encyclopedia - Psychosis: Encyclopedia Ii - Psychosis - Overview
Psychosis is considered by mainstream psychiatry to be a symptom of severe mental illness, but not a diagnosis in itself. Although it is ...   » Read the article

Encyclopedia - Psychosis: Encyclopedia Ii - Psychosis - Psychotic Experience
A psychotic episode can be significantly coloured by mood. For example, people experiencing a psychotic episode in the context of depress...   » Read the article

Encyclopedia - Modafinil: Encyclopedia Ii - Modafinil - Pharmacology
The exact mechanism of action is unclear, although in vitro studies have shown it to inhibit the reuptake of dopamine. While co-administr...   » Read the article

Encyclopedia - Desoxyn: Encyclopedia Ii - Desoxyn - Use And Tolerance
Because methamphetamine, the active ingredient in Desoxyn, is reported to be effective longer and fifty percent more effective per dose t...   » Read the article

Encyclopedia - Withdrawal: Encyclopedia Ii - Withdrawal - Rebound
Many substances can cause rebound effects (significant return of the original symptom in absence of the original cause) when discontinued...   » Read the article

Encyclopedia - Phentermine: Encyclopedia Ii - Phentermine - History
Phentermine is one of two drugs in the Fen-phen anti-obesity medication, the other being fenfluramine or dexfenfluramine. Fenfluramine wa...   » Read the article

Encyclopedia - Phentermine: Encyclopedia Ii - Phentermine - Mechanism Of Action
Phentermine, as many other prescription drugs, works with neurotransmitters in the brain. It is a centrally-acting stimulant chemically r...   » Read the article

Encyclopedia - Drug Overdose: Encyclopedia Ii - Drug Overdose - Types
The word "overdose" implies that there is a safe dosage and therefore the term overdose is commonly only applied to drugs, not poisons. D...   » Read the article

Encyclopedia - Tachycardia: Encyclopedia Ii - Tachycardia - Autonomic And Endocrine Causes
An increase in sympathetic nervous system stimulation causes the heart rate to increase, both by the direct action of sympathetic nerve f...   » Read the article