Final answer:
Herodotus did not discuss the WHO, as it did not exist in his time, but he did write about cultural practices, including those relating to sexuality and gender. Ancient Greek and Roman societies had their own norms and views on these topics, which were substantially different from today's understanding of sexual identity.
Step-by-step explanation:
The disregard of the World Health Organization (WHO) for conventional sexuality is not a common theme in Herodotus' works, as the WHO did not exist during his time. However, in relation to the broader topic of ancient perceptions of sexuality, it is notable that sexuality and gender roles were indeed significant factors in ancient Greek and Roman societies. These ancient civilizations had their own distinct views on sexuality that often diverged from modern understandings and sensibilities.
Herodotus himself, known as the 'Father of History', raised issues of cultural relativity and was intrigued by different cultural practices, including those regarding sexuality and gender. Although Greek society had a certain fluidity regarding sexuality with the practice of pederasty and potential bisexuality among the elite men as indicated in historical accounts, the framework within which these practices were understood was vastly different from modern conceptions of sexual identity.
Roman society, on the other hand, had more stringent expectations of masculine self-control and proper behavior, which was evident in criticisms by writers such as Petronius and Seneca the Younger. They condemned excessive sexual activities and deviations from the traditional Roman ideals of masculinity, indicating the complex interplay between sexuality, gender, and social norms in the Greco-Roman world.