Weight gain is seen in all of the following except: March 2009
**Core Concept**
Weight gain can be caused by various factors, including hormonal imbalances, medications, and metabolic disorders. This question tests the understanding of conditions associated with weight gain.
**Why the Correct Answer is Right**
The correct answer is likely to be a condition that is not typically associated with weight gain. Weight gain can be seen in conditions such as hypothyroidism, Cushing's syndrome, and polycystic ovary syndrome (PCOS), among others. These conditions often involve hormonal imbalances or metabolic disorders that lead to increased appetite, fat storage, or water retention.
**Why Each Wrong Option is Incorrect**
**Option A:** Hypothyroidism is a condition where the thyroid gland does not produce enough thyroid hormone, leading to weight gain due to decreased metabolism.
**Option B:** Cushing's syndrome is a condition caused by excess cortisol, leading to weight gain in the abdominal area due to increased fat storage and water retention.
**Option C:** PCOS is a hormonal disorder in women that can lead to weight gain due to insulin resistance and hormonal imbalances.
**Clinical Pearl / High-Yield Fact**
It's essential to note that weight gain can be an early sign of various underlying conditions, and a thorough medical evaluation is necessary to determine the underlying cause.
**Correct Answer:** D.