And most people are heterosexual There's a considerable amount that varies cross-culturally of people who are bisexual But the real puzzle is exclusive homosexuality ? So, why?

多数人都是异性恋的,而且不同文化背景下…,还有很多双性恋者,但真正的难题在于绝对同性恋,为什么呢？

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Mr Lelyveld has denied writing that Gandhi was a bisexual, saying his work had been taken out of context.

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But she happens to be a bisexual woman whose father is black and Latino and whose mother is Chinese.

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Gay and bisexual men make up a small percentage of the population, but over 50 percent of new infections.

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