Which of the following statements is incorrect regarding acute diseases?

Options

A. They last for a long time, may be as much as a life time.
B. A person suffering from an acute disease always recovers completely after treatment.
C. They do not cause long term bad effects on human health.
D. These include diarrhoea, malaria, etc.

Explanation

To determine which statement is incorrect regarding acute diseases, we can analyze each option provided in the question step by step.

### Step-by-Step Solution:

1. **Understanding Acute Diseases**:
- Acute diseases are characterized by their short duration. They typically manifest quickly and resolve within a short period, often with appropriate treatment.

2. **Analyzing the Statements**:
- **Statement 1**: "They last for a long time, maybe as much as a lifetime."
- This statement is incorrect. Acute diseases do not last for a long time; they are temporary and usually resolve within days to weeks.

- **Statement 2**: "A person suffering from an acute disease always recovers completely after treatment."
- This statement is generally correct. Most acute diseases can be treated effectively, leading to complete recovery.

- **Statement 3**: "They do not cause long-term bad effects."
- This statement is also correct. Acute diseases typically do not lead to long-term complications or effects after recovery.

- **Statement 4**: "They include diarrhea, malaria, etc."
- This statement is correct as well. Diarrhea and malaria are examples of acute diseases that can be treated effectively.

3. **Conclusion**:
- The incorrect statement regarding acute diseases is the first one: "They last for a long time, maybe as much as a lifetime."

### Final Answer:
The incorrect statement regarding acute diseases is: **"They last for long time maybe as much as a lifetime."**

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