All women are gay, new findings suggest. 

After having male and female participants look at videos of both naked men and naked women, researchers found that self-identified "straight" women became aroused when looking at naked women. However, self-identified straight men were not aroused by naked men.

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"Most women responded to both videos of attractive men and women with substantial [genital] arousal as well as pupil dilation," lead researcher Gerulf Rieger of the University of Essex's Department of Psychology told Mic. 

What's more, "none of the women, not even straight women, responded more strongly to males than to females," said Rieger, according to cosmopolitan.com.

Researchers concluded that the latest findings suggest that women are never heterosexual.

"Even though the majority of women identify as straight, our research clearly demonstrates that when it comes to what turns them on, they are either bisexual or gay, but never straight," said Rieger, according to The Telegraph.

The latest study involved 345 female participants who were hooked up to eye-tracking and other physiological measuring devices.

The findings are published in the Journal of Personality and Social Psychology.