He was also found guilty of trafficking in cannabis and amphetamine over the same period.
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Amphetamine users can become dependant on the drug, and withdrawal symptoms can cause depression and lethargy.
But after just two weeks of daily game therapy, he stopped taking Ritalin, a prescription amphetamine.
The Wa, a Burmese tribe with a 20, 000-man army, are considered Asia's new heroin and amphetamine kings.
Methylenedioxymeth-amphetamine, or MDMA, the chemical compound that is the basis of Ecstasy, has been around for decades.
Only this week, a record haul of 4 million amphetamine tablets was seized in Prachuab Khiri Khan.
It said khat provided a "mild stimulant effect much less potent than stimulant drugs, such as amphetamine".
Data on people arrested in Sweden show many who admitted to taking amphetamine actually tested positive for meth.
However he stressed that users were more likely to use traditional drugs such as cocaine, amphetamine and cannabis.
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He was jailed for almost 10 years in 2011 after he was convicted of supplying cocaine and amphetamine.
The room also contained a box of plastic bags, scales and a saw blade which bore traces of amphetamine.
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Steven Gibb, 20, from Falkirk, and John Gorrian, 49, from West Lothian, had cannabis and amphetamine in May 2013.
The scientific case against DMAA being guilty as charged, begins with the claim that it is similar to amphetamine.
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Ecstasy is methylenedioxymethamphetamine, or MDMA for short, which is a synthetic, psychoactive (mind-altering) drug with hallucinogenic and amphetamine-like properties.
Ecstasy is an amphetamine that has both stimulant and hallucinogenic effects in humans.
Animal studies have shown brain abnormalities persisting four years after amphetamine use stops.
Amid signs of resurgent amphetamine abuse, the PPP unashamedly talks of reviving it.
Gorrian initially collected a package stuffed with amphetamine from a nearby car before four boxes of cannabis were also picked up.
Hundreds of thousands of illegal amphetamine tablets -- dubbed "yaba" by the Thais -- pour over the border from Myanmar every month.
The authorities now say there was - and arrested Laota as the alleged financial mastermind of drug warlord Wei Hsueh-kang's illegal yaba (amphetamine) trade.
Groups such as the Institute for the Study of Drug Dependence say that amphetamine use is actually falling, despite its association with the club scene.
He is alleged to have stolen heroin, cocaine, amphetamine and cannabis.
The former goalkeeper has told BBC One's Real Story programme that he took the amphetamine dexadrin - more commonly known as speed - before every game.
Defence advocate Frank Gallagher said a medical report explained the start of Boag's amphetamine habit after his involvement in the Gulf War in the early 1990s.
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Ring-leader Noel Young, 37, was serving time at HMP Garth Prison when he made 30, 000 phone calls in 2009 to operate his amphetamine and cocaine ring.
Just in July 2008, there was a raid of the largest amphetamine factory ever discovered where authorities seized 8, 000 barrels of chemicals to produce this drug.
Mr Brown said Cox was the "directing force" in the amphetamine supply, using Carnegie as a courier and Boag's home as a safe house for storing and packaging.
BBC: Men jailed for supplying drugs between Glasgow and Dundee
Ten percent of amphetamine users, Nissen writes, are over 50.
That suggests dealers may be switching one for the other: 5mg of meth would give a similar hit to 30mg of amphetamine, and it is more addictive to boot.
His daily intake included 40 Boyard cigarettes, litres of alcohol and coffee, and a dozen corydrane tablets, a mixture of amphetamine and aspirin then available over the counter (the recommended dose was two).
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