**Core Concept**
Excessive intake of retinol, a form of vitamin A, can lead to a condition characterized by abnormal bone growth, skin problems, and other systemic effects. This is due to the toxic effects of retinol on various tissues and organs.

**Why the Correct Answer is Right**
Retinol is a fat-soluble vitamin that plays a crucial role in maintaining healthy vision, immune function, and skin health. However, excessive intake can lead to hypervitaminosis A, which causes an accumulation of retinol in the liver, adipose tissue, and other organs. This results in an overproduction of retinoic acid, a potent derivative of vitamin A that can cause abnormal cell growth and differentiation, leading to symptoms such as headaches, dizziness, and skin lesions.

**Why Each Wrong Option is Incorrect**
* **Option A:** This option is not provided.
* **Option B:** This option is not provided.
* **Option C:** This option is not provided.

**Clinical Pearl / High-Yield Fact**
It is essential to note that the recommended daily intake of vitamin A is 700-900 μg for adult men and 700 μg for adult women. Exceeding this limit can lead to hypervitaminosis A, which can be prevented by monitoring dietary intake and avoiding excessive consumption of vitamin A-rich foods.

**Correct Answer: D. Hypervitaminosis A.**