Answer:
hormones
Step-by-step explanation:
Hormones: The term hormones are defined as molecules that are being produced or generated via the endocrine system that is responsible for sending a message to different parts in an individual's body. It helps to regulate various body's processes including sexual desire, hunger, blood pressure, etc.
Example of hormones: Insulin, progesterone, cortisol, estrogen, etc.
Hormonal imbalance leads to vaginal dryness, osteoporosis, hot flashes, etc.
In the question above, Navi is reacting to the continued effect of hormones.