Synthesis Writing. Although at its most basic level a synthesis involves combining two or more summaries, synthesis writing is more difficult than it might at first appear because this combining must be done in a meaningful way and the final essay must generally be thesis-driven.
1. Endocrine Diseases. The bodyâs endocrine system produces hormones that regulate metabolism, sexual function, reproduction, mood, and much more. Diabetes is an example of an endocrine disease that can cause men to experience impotence. Diabetes affects the bodyâs ability to utilize the hormone insulin.
The Cause: Andropause Hot Flashes. While it is true that hot flashes are more common in women, hot flashes in men are not unusual. Male hot flashes are caused by a severe testosterone deficiency that can occur in andropause (male menopause) and in androgen deprivation therapy for prostate cancer.