Disease caused by excess of flourides in water is

Options

A. minamita
B. Lung cancer
C. paralysis
D. Fluorosis

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the disease caused by an excess of fluorides in water. We need to identify the correct disease from the given options.

2. **Analyzing the Options**:
- **Option 1: Minamata Disease**: This disease is caused by mercury poisoning, not fluoride. Therefore, it is not the correct answer.
- **Option 2: Lung Cancer**: This disease is associated with various factors, including low dietary intake of certain minerals, but it is not directly caused by excess fluoride. Hence, this is also not the correct answer.
- **Option 3: Paralysis**: Paralysis can occur due to severe potassium deficiency, but it is not related to fluoride exposure. Thus, this option is incorrect as well.
- **Option 4: Pleurisy**: Pleurisy is a condition that can be caused by excess fluoride in the body, leading to dental issues and other health problems. This aligns with the question.

3. **Conclusion**: After analyzing all the options, the disease caused by excess fluoride in water is **Pleurisy**. Therefore, the correct answer is **Option 4**.

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