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What Are the Physical Signs of Addiction?

From

Updated November 21, 2007

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Question: What Are the Physical Signs of Addiction?
Answer: The physical signs of abuse or addiction can vary depending on the person and the drug being abused. In addition, each drug has short-term and long-term physical effects. For example, someone who abuses marijuana may have a chronic cough or worsening of asthmatic conditions. Stimulants like cocaine increase heart rate and blood pressure, whereas opioids like heroin may slow the heart rate and reduce respiration.

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