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

A: It can make bones weak
B: It can cause vomiting and diarrhea
C: It can cause low birth weight
D: It can make babies hungry

B: It can cause vomiting and diarrhea

Nicotine in a nursing mother's milk can be harmful to nursing babies as it can lead to symptoms such as vomiting and diarrhea. It is important for nursing mothers to be mindful of their nicotine consumption and consider ways to reduce or eliminate exposure to nicotine while breastfeeding.