I believe it is a ) stimulant.
Answer:
Increase
Explanation:
Vasopressin is ADH. ADH is secreted by the hypothalamus and regulates the body's osmolarity. Since Giardia causes a loss of sodium ions, the body's osmolarity is affected. To counteract this and maintain homeostasis, more vasopressin is secreted, thus telling the body to absorb more ions back in the kidneys.
Talk it out with them..? Try to settle the argument before it gets out of hand.
