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What are the effects of nicotine on the body?

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Effects on nicotine on the body include increasing the risk of developing lung cancer and cardiovascular problems. Nicotine also increases insulin resistance, leading to the development of type 2 diabetes. It also increases the risk of developing eye problems, fertility problems in women, impotence in men, gingivitis and periodontitis. Additionally, nicotine use during pregnancy increases the chance of miscarriage, delivery before term and low birth weight, according to Mayo Clinic.

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Nicotine users are prone to respiratory infection. They are also at a higher risk of developing eye problems such as cataracts and macular degeneration, notes Mayo Clinic. Additionally, nicotine changes skin structure, leading to wrinkles and premature aging. It also gives teeth, fingernails and fingers a yellow color.

Factors that influence nicotine addiction include genes, Internet influence and the age when a person starts using nicotine. People with post-traumatic stress disorder, depression and schizophrenia are likely to use nicotine through smoking. Nicotine use accelerates progression of complications such as kidney ailment and vision problems in diabetic patients, explains Mayo Clinic.

Nicotine alters the mood and stimulates the central nervous system; it temporarily energizes the user. The body produces corticosterone, which decreases the effect of nicotine, reports Healthline. Nicotine boosts blood sugar levels and tightens blood vessels, leading to peripheral artery disease.

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