Laser Technician (International Board of Electrologist Certification) IBEC Board Exam

Which of the following is NOT a potential cause of hirsutism?

1. Polycystic ovary syndrome

2. Cushing's syndrome

3. Excessive sun exposure

4. Congenital adrenal hyperplasia

The correct answer is: Excessive sun exposure

The reason excessive sun exposure is not a potential cause of hirsutism lies in the understanding of the mechanisms behind hair growth. Hirsutism is characterized by the excessive growth of hair in areas where men typically grow hair, which is often related to hormonal imbalances, particularly androgens. Conditions such as polycystic ovary syndrome, Cushing's syndrome, and congenital adrenal hyperplasia are all linked to increased levels of androgen hormones. For instance, polycystic ovary syndrome (PCOS) often leads to elevated testosterone levels, contributing to hirsutism. Similarly, Cushing's syndrome can result from an excess of cortisol, which may also affect androgen levels. Congenital adrenal hyperplasia is a genetic condition that impacts adrenal gland function, leading to hormonal imbalances that can cause hirsutism. In contrast, while excessive sun exposure can lead to skin damage and changes in pigmentation, it does not influence hormonal levels in the body that are responsible for the growth of excessive hair. Thus, it is not considered a potential cause of hirsutism.