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Do humans need nicotine?

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I will go against the crowd here, and present some facts. :) Nicotine is a normal dietary component already found in healthy diets, namely vegetables. read more

Nicotine is found in tobacco plants as a poisonous alkaloid, most toxic in its pure state. In cigarettes, there is about 15 to 30 mgms of the allkaloid but the smoke contains less than 10 mgms and less than that is inhaled. While it is reported to be a relaxant, the human body has no use for nicotine. read more

However, nornicotine is toxic, pointing to the need for a nontoxic substitute. ­­­­In 2006, Duke scientists found that people with depression who were treated with nicotine patches reported a decrease in their depressive feelings. read more

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