Answer:
Nicotine is a sympathomimetic stimulant that attaches to nicotinic acetylcholine receptors in the brain. Neuroplasticity within the brain's reward system occurs as a result of long-term nicotine use, leading to nicotine dependence.
Explanation:
BRAINLEIST PLZZZ
Answer:
Abortion
Explanation:
An abortion is a procedure in which a pregnancy is terminated. It can be carried out by taking medication or a surgical procedure. They are safe medical procedures when carried out properly. Reduced access to abortions increases the likelihood of them being performed without medical supervision, and makes them much less safe.
They are very rarely carried out after 24 weeks
Answer:
Researchers haven’t yet discovered an effective vaccine for HIV. Advances in technology and medical capabilities have brought more advanced HIV treatments.
Explanation: