The drugs that causes chronic psychosis and severe damage to CNS is

Options

A. Hashish
B. Charas
C. Marijuana
D. LSD

Answer

To answer the question about which drug causes chronic psychosis and severe damage to the central nervous system (CNS), we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Drugs Listed**: The question presents several drugs, including hashish, churrus, marijuana, and LSD.

2. **Understand the Nature of Each Drug**:
- **Hashish and Churrus**: Both are derived from the hemp plant (Cannabis sativa) and are part of the cannabinoid group. They primarily affect mood and perception but are not typically associated with chronic psychosis or severe CNS damage.
- **Marijuana**: Also derived from Cannabis sativa, it has similar effects to hashish and churrus. While it can cause temporary alterations in perception and mood, it is not known for causing chronic psychosis or severe CNS damage.
- **LSD (Lysergic Acid Diethylamide)**: This is a powerful hallucinogen derived from the fungus Claviceps purpurea. It is known to cause significant alterations in perception and can lead to chronic psychosis and severe damage to the CNS.

3. **Evaluate the Effects**: Among the drugs listed, LSD is specifically noted for its association with chronic psychosis and severe damage to the CNS, as well as other serious health effects.

4. **Conclusion**: Based on the evaluation of the effects of the drugs, the answer to the question is that LSD is the drug that causes chronic psychosis and severe damage to the CNS.

### Final Answer:
**LSD (Lysergic Acid Diethylamide)** is the drug that causes chronic psychosis and severe damage to the central nervous system.

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