Question

Immediate harmful effects on human body parts due to Fluoride pollution

• A. Kidney
• B. Brain
• C. Heart
• D. Teeth

Hint:

Dental fluorosis is a key biological indicator of high fluoride levels in drinking water. It primarily affects children whose permanent teeth are still developing under the gums.

Answer 1

The Correct Option is D

Step 1: Understanding the Concept:
Fluoride is a mineral found naturally in soil, water, and foods.
In low concentrations, it helps prevent tooth decay.
However, chronic exposure to high levels of fluoride, primarily through contaminated drinking water, can cause health issues known as fluorosis.

Step 2: Detailed Explanation:
The most immediate and easily recognizable sign of excessive fluoride exposure is dental fluorosis.
During the first few years of life, when permanent teeth are developing under the gums, high fluoride intake disrupts the ameloblasts that form tooth enamel.
This results in enamel hypomineralization, which leads to dental fluorosis.
Symptoms of dental fluorosis include:
- Mild cases: Faint white lines or streaks on the enamel.
- Moderate to severe cases: Brown staining, pitting, and structural weakening of the teeth.
While long-term exposure to high levels of fluoride can cause skeletal fluorosis (affecting bones) and damage internal organs like the kidneys, dental fluorosis is the most immediate and visible indicator of fluoride pollution.

Step 3: Final Answer:
The teeth are the most immediate and visibly affected body part in cases of chronic fluoride pollution (dental fluorosis).
Thus, the correct choice is (D).