times, hygiene was also poor and plumbing systems were barely there, if at all, which caused disease to be a contributing factor in abstinence. Around the late 1800s to the mid 1900s, the act of sex was not only beginning to surge, but also sex on different levels was being studied. This led to more researchers learning about sexual practices in different cultures, the age when sexual tendencies begin to emerge, factors that affect sex and desire, and the variations in sexual arousal and behaviors.

Since then, sex has been more openly