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Gay men have existed since prehistory, but how have they survived evolution?
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Does homosexuality provide other benefits to survive natural selection?
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If one identical twin is gay, the other is straight about half the time. Why?
Are gay men born gay? If they are, how could same-sex attraction, a trait that prevents reproduction, evolve into the human race and survive generations of history? This question boggles the mind of proudly gay filmmaker Bryce Sage, who sets out on a cross-country adventure to understand the science of homosexuality.
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