How can the nicotine in a nursing mother's milk affect nursing babies 

Nicotine can be transferred from a nursing mother to her baby through breast milk. This can have several potential negative effects on the nursing baby, including:

1. Increased heart rate and blood pressure: Nicotine can cause the baby's heart rate and blood pressure to increase, which can be harmful for a developing infant.

2. Irritability and restlessness: Nicotine can make babies more irritable and restless, making it more difficult for them to sleep and feed properly.

3. Decreased milk production: Nicotine can interfere with the mother's milk production, leading to lower milk supply and potential feeding difficulties for the baby.

4. Impaired brain development: Nicotine exposure can interfere with the baby's brain development, potentially leading to long-term cognitive and behavioral issues.

5. Increased risk of Sudden Infant Death Syndrome (SIDS): Studies have shown that babies exposed to nicotine through breast milk have an increased risk of SIDS.

Therefore, it is important for nursing mothers to avoid smoking and limit their exposure to secondhand smoke in order to protect the health and well-being of their baby. If a nursing mother is unable to quit smoking, she should consult with her healthcare provider for guidance on how to minimize the potential risks to her baby.