The chronic use of drugs and alcohol results in

Options

A. excess mucous and blood clots
B. internal bledding and muscular pain
C. cirrhosis and nervous system damage
D. leukaemias and lymphomas.

Answer

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks about the consequences of chronic use of drugs and alcohol. We need to analyze the effects of these substances on the body.

2. **Identifying the Options**: The options given are:
- A) Excess mucus and blood clots
- B) Internal bleeding and muscular pain
- C) Cirrhosis and nervous system damage
- D) Leukemias and lymphomas

3. **Analyzing Each Option**:
- **Option A**: Excess mucus and blood clots are not directly related to chronic drug and alcohol use. This option is incorrect.
- **Option B**: Internal bleeding and muscular pain can occur due to various reasons but are not the primary consequences of chronic drug and alcohol use. This option is also incorrect.
- **Option C**: Chronic use of alcohol leads to liver damage, specifically cirrhosis, and drug abuse can cause significant damage to the nervous system. This option is correct.
- **Option D**: Leukemias and lymphomas are types of cancer that are not directly caused by drug and alcohol abuse. This option is incorrect.

4. **Conclusion**: After analyzing all the options, the correct answer is **C) Cirrhosis and nervous system damage**. Chronic use of drugs and alcohol has severe physical effects, particularly on the liver and nervous system.