The brain stem which is composed of the Pons, The Medulla, and the Midbrain serve a very vital function... They control the functions that keep you alive; Heart Rate, Respiratory Rate, Breathing input and output, Blood pressure, as well a vasomotor functions. So taking this into account, an injury to the brain stem is extremely bad, as that can and will most definitely be very lethal.
Conflict avoidance is when one deliberately goes around or stays away from a conflict. Changing the subject that one wants to avoid is an example of this. Conflict confrontation is when one deliberately handles a conflict directly. (Communication with and listening to the opposing party for an example.) Conflict resolution is when a conflict or issue is resolved amicably by both parties involved.
Answer:
Tolerance: he capacity to endure continued subjection to something, especially a drug, transplant, antigen, or environmental conditions, without adverse reaction
Addiction: the fact or condition of being addicted to a particular substance, thing, or activity.
Withdrawal: Physical and mental symptoms that occur after stopping or reducing intake of a drug
Some symptoms of withdrawal are Symptoms may include anxiety, fatigue, sweating, vomiting, depression, seizures, and hallucinations and more.
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