Just like many people do on here, you have to provide the text before someone can accurately answer your question.
Answer:
A. a synthetic version of the hormone testosterone
Explanation:
According to www.drugabuse.gov, ""Anabolic" refers to muscle building, and "androgenic" refers to increased male sex characteristics."
When on the synthetic version of testosterone, the body gains a lot of muscle mass. A good way to see the changes brought on by testosterone are looking at before and after photos of FtM patients.
The posterior pituitary (or neurohypophysis) comprises the posterior lobe of the pituitary gland and is part of the endocrine system<span>. Hormones known as posterior pituitary hormones are synthesized by the </span>hypothalamus<span>, and include </span>oxytocin<span> and</span>antidiuretic hormone<span>.
Hope this helps.</span>
Maybe you should tell him to go to a doctor or tell him to see a Psychiatrist.