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People who Have Used Benzedrine or Dexedrine More Likely to Develop Parkinson’s – 50 Year Study

  [ 3 votes ]   [ 1 Comment ]
www.ProHealth.com • February 21, 2011


New research shows people who have used amphetamines such as benzedrine and dexedrine appear to be at an increased risk of developing Parkinson’s disease, according to a study to be presented in April at the American Academy of Neurology’s Annual Meeting in Honolulu.

Benzedrine and Dexedrine are amphetamines often prescribed to increase wakefulness and focus for people with attention deficit hyperactivity disorder and narcolepsy, a disorder that can cause excessive daytime sleepiness and sudden attacks of sleep. They are also used to treat traumatic brain injuries.

The study involved 66,348 people in Northern California who had participated in the Multiphasic Health Checkup Cohort Exam between 1964 and 1973 and were evaluated again in 1995.

• The average age of the participants at the start of the study was 36 years old.

• Of the participants, 1,154 people had been diagnosed with Parkinson’s disease by the end of the study.

Exposure to amphetamines was determined by two questions: One on the use of drugs in general for weight loss, and a second specific question on whether people often used Benzedrine or Dexedrine. Amphetamines were among the drugs commonly used for weight loss when this information was collected.

According to the study, those people who reported using Benzedrine or Dexedrine were nearly 60% more likely to develop Parkinson’s than those people who didn’t take the drugs. (There was no increased risk found for those people who used drugs in general for weight loss.)

“If further studies confirm these findings, the potential risk of developing Parkinson’s disease from these types of amphetamines would need to be considered by doctors before prescribing these drugs as well as be incorporated into amphetamine abuse programs, including illicit use,” says study author Stephen K. Van Den Eeden, PhD,  with the Division of Research at Kaiser Permanente Northern California in Oakland, Calif.

Dr. Van Den Eeden explained that amphetamines affect the release and uptake of dopamine, the key neurotransmitter involved in Parkinson's disease. [Amphetamines increase dopamine concentration in brain; concentration is low in Parkinson’s patients.] He explained that more research needs to be completed to confirm the association and learn more about possible mechanisms.

The study was supported by Kaiser Permanente Northern California.

Source: American Academy of Neurology news release, Feb 20, 2011




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Amphetamine and Parkinsons Disease
Posted by: martinbrown
Mar 2, 2017
Two years ago (aged 62) I was diagnosed with Parkinsons Disease. When I was diagnosed I asked about the causes of this incurable neuro-disease. The Neurologist asked me "Have you ever, even slightly, used amphetamines or other drugs?" Have I??!!

Between 16 and 21 I was a massive speed-freak. I swallowed massive amounts of Dexedrine, as well as Benzedrine, Durophet (Black Bombers) and straight Amphetamine Sulphate. I also needled Meth once or twice. If I could have got it, Meth would have done me in. When necking Dexies, I used multiples of 5. I once swallowed so many of those little yellow pills that my sweat left yellow rivulets down my face and on my hands. It was not uncommon for me to start with 10 x 5mg pills, and swallow up to 75 over a session, which could last for days on end. On two occasions I was "Sectioned" under the mental health act (UK), on the grounds of "Amphetamine Psychosis".

So if you want to know, does speed kill? Well, maybe so. But I can say with some certainty that it leads to a raised risk of Parkinsons. And that, my friends, ain't what you want to taste for yourself. I have no regrets about my life and the way I have lived it. I did what I did, and that's that. I enjoyed Speed, massively! And given my time again would probably do much as I did.

If you like your stims, and Speed especially: Keep it short and sweet, and be aware, the road ahead may be called Parkinson's Street. And that's a dead end.
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