Question

For the following drugs
   1. Alcohol
   2. LAD and PCP
   3. Marijuana

a) Is it a stimulant, depressant or hallucinogen?
b) what are the effects on the body?
c) how is it used clinically? (if at all)
d) do users develop a tolerance?
e) Do users develop a physical dependence?
f) do users experience withdrawal symptoms?
g) how dangerous is it if abused?

Answer 1

Answers-

1. Alcohol-

a) Alcohol is a central nervous system depressant.

b) Alcohol primarily affects the central nervous system. It causes various short-term effects like blurred vision, slurred speech, impaired memory, and motor skills, weakened muscles, poor judgment, etc.

c) Alcohol, in various forms, is used clinically. It is used as an anti-septic, antidote and disinfectant.

d) Yes, alcohol consumers can develop tolerance over some time.

e) Yes, alcohol consumers may develop a physical dependence.

f) Yes, alcohol consumers do experience withdrawal symptoms like nausea, vomiting, loss of appetite, shakiness, irritability, agitation, restlessness, etc.

g) Alcohol abuse can cause serious short-term and long-term health problems such as liver damage, sexual dysfunction, brain damage, increased risk of cardiovascular diseases, alcohol poisoning, etc.

2. LSD and PCP-

a) LSD and PCP are classic hallucinogens as both act on the serotonin receptors.

b) PCP- PCP affects the neurotransmitters of the brain, inhibiting the reuptake of serotonin, dopamine, and norepinephrine. It also blocks the NMDA receptors. NMDA receptors are responsible for pain sensations, memory, emotions, etc.

LSD- LSD activates the serotonin receptors of the brain, thereby stimulating serotonin production. It dilates the pupils of the eyes, causes excessive sweating, etc.

c) No, both PCP and LSD have no proven use in medicine.

d) Yes, one may develop a tolerance over some time.

e) No, one cannot possibly develop a physical dependence on LSD, however, one can develop a physical dependence on PCP.

f) LSD does not cause any physical withdrawal symptoms as it is not considered an addictive drug.

PCP is a highly addictive drug and may result in extreme withdrawal symptoms like depression, anxiety, violent behavior, increased cravings, suicidal thoughts, etc.

g) Chronic LSD usage can cause long-term health problems like volatile behavior, hallucinogen persisting perception disorder, and even death.

PCP abuse can lead to seizures, coma, rhabdomyolysis, and even death.

3. Marijuana-

a) Marijuana can act as a depressant, a stimulant, and a hallucinogen.

b) The THC present in marijuana acts on specific brain receptors. It impairs judgment, increases dopamine release, irritates the lungs (when inhaled), accelerates the heartbeat, and may cause red eyes in some cases.

c) Marijuana is used clinically in the treatment of depression, anxiety, chronic pain, Alzheimer's disease, glaucoma, muscle spasms, etc.

d) Yes, some marijuana consumers may develop a physical and psychological tolerance to marijuana over some time.

e) Yes, marijuana, in some cases, may cause one to develop physical, as well as psychological dependence.

f) Yes, marijuana may cause ceratin withdrawal symptoms like-loss of appetite, headaches, lack of concentration, insomnia, irritability, cold sweats, increased feelings of depression, etc.

g) Overdose of marijuana may cause paranoia, uncontrollable vomiting, and heart disturbances.