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Some signs of addiction are enlarged pupils, increased alertness and energy, loss of interest in food and sleep, increased talkativeness, rapid mood changes, increased heart rate, nasal congestion. You can read about these and other symptoms in the articles Cocaine Addiction Signs and Symptoms and Cocaine Abuse.


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Cocaine is a highly addictive substance. What starts off as seemingly harmless experimentation can quickly develop into a potentially life-threatening addiction with devastating personal, professional, financial, and familial consequences. Common signs of cocaine use include: Dilated pupils Long periods of wakefulness Loss of appetite Overconfidence Over-...


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