The Effects of Dopamine
Dopamine is a chemical produced by the body to convey messages between neurons in the brain. An increased flow of dopamine is detected during pleasurable activities such as eating and drinking, and there is a decreased flow if the person is stressed or anxious.
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Low Levels
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Low levels of dopamine make it difficult to focus on a task or to follow a simple conversation, while extremely low levels are known to trigger Parkinson's disease. ADHD is also associated with low levels.
Mild Elevations
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Addictive substances such as nicotine and cocaine increase dopamine levels and give one a sense of euphoria. Overuse of the addictive substances causes excessive stimulation and the frenetic activity level often associated with drug abusers.
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Moderately High Levels
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Moderately high levels of dopamine trigger unfounded suspicious thoughts about normal, everyday occurrences. Two people seen speaking together may be perceived to be talking about the person with moderately high dopamine levels.
High Levels
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High levels of dopamine trigger paranoid thoughts, persecution complex and delusions of grandeur. The person may lose touch with reality.
Addictions
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With the advent of drugs able to adjust dopamine levels, doctors now have a powerful new tool to treat diseases such as Parkinson's, drug and nicotine addictions and ADHD.
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