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प्रश्न
Tobacco addiction is caused by the presence of ______ in it.
रिकाम्या जागा भरा
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उत्तर
Tobacco addiction is caused by the presence of nicotine in it.
Explanation:
Nicotine is a stimulant that affects the nervous system by stimulating the passage of nerve impulses, causing muscles to relax and releasing adrenaline, which increases blood pressure and heart rate. This addictive chemical is primarily responsible for tobacco dependence, alongside many other harmful substances present in tobacco smoke that contribute to health problems.
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