Why are women more sexualized than men?

watchmen
In the media, you will see female nudity a lot more than you see male nudity. Take action and horror films, for example, almost all of the main actresses are pretty hot and they all have the same type of body; lean and fit. Men in the franchise will often have the same body but it does not seem to be sexualized like women's and more likely to be covered up except a few scenes where his shirt will be off, but that is it.
Women in these films are sexualized, depicted as fully nude, in a two-piece bikini, tight clothes, and shorts that often show more skin than anything.
For men, yes we will be shown to have a shirt off but that is it. Anything below the belt is covered. But why is that? in Ancient Greece and Rome, male nudity was seen as a good thing, but as long as we have had the silver screen, it just is not shown.
Why are women more sexualized than men? Is it because female nudity is easier on the eyes?
Why are women more sexualized than men?
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