Question

which middle adulthood change may contribute to decreased sexual desire? decrease in testosterone little time set aside medication side effects high blood pressure

Explanation:

Testosterone is a hormone that plays a significant role in sexual desire. In middle - adulthood, a decrease in testosterone levels can lead to reduced sexual desire. While other factors like lack of time, medication side - effects, and high blood pressure can also impact sexual desire, the hormonal change (decrease in testosterone) is a direct biological factor related to sexual function.

Answer:

Decrease in testosterone