## Core Concept
Manic-depressive psychosis, also known as bipolar disorder, is a mental health condition characterized by extreme mood swings that include emotional highs (mania or hypomania) and lows (depression). The condition involves complex interplay of genetic, biological, and environmental factors. Treatment often involves mood stabilizers and psychotherapy.

## Why the Correct Answer is Right
The correct answer, although not directly provided, will be evaluated based on the process of elimination and understanding of manic-depressive psychosis. Typically, statements about manic-depressive psychosis being a chronic condition, involving episodes of mania and depression, and requiring mood-stabilizing treatments are true.

## Why Each Wrong Option is Incorrect
- **Option A:** Without the specific content of Option A, we cannot directly assess its accuracy. However, if it states a recognized characteristic of manic-depressive psychosis, such as the presence of manic and depressive episodes, it would be considered true.
- **Option B:** Similarly, if Option B describes a known aspect of the disorder, like the use of lithium as a mood stabilizer, it would be incorrect to label it as the exception.
- **Option C:** This option's accuracy depends on its content. If it accurately describes a feature of manic-depressive psychosis, it wouldn't be the correct answer to the question.
- **Option D:** Given that D is the correct answer provided, it must contain an inaccuracy regarding manic-depressive psychosis.

## Clinical Pearl / High-Yield Fact
A key point to remember is that **lithium** is a commonly used mood stabilizer in the treatment of bipolar disorder. It's essential to recognize that this condition can have a significant impact on a patient's quality of life and requires careful management.

## Correct Answer: D.