summarize this Nicotine is a dangerous and highly addictive chemical. It can cause an increase in blood pressure, heart rate, flow of blood to the heart and a narrowing of the arteries (vessels that carry blood). Nicotine may also contribute to the hardening of the arterial walls, which in turn, may lead to a heart attack.

Answer 1

Nicotine is a highly addictive chemical that can lead to various cardiovascular issues, including increased blood pressure, heart rate, and narrowing of the arteries. It can also contribute to the hardening of arterial walls, potentially leading to a heart attack.