1.   If environmental factors were primarily responsible for its emergence among other populations, can the same be said for male homosexuals?

2.   A baffling and often deadly new illness, previously thought to be confined to male homosexuals, now has turned up among some women and heterosexual men. . . .

3.   But there were differences between the groups when they viewed the video depicting male homosexuals.

4.   Lesbians split from male homosexuals, finding them sexist, and feminists distance themselves from lesbians.

5.   Researchers are investigating mysterious outbreaks of pneumonia that have occurred among male homosexuals in Los Angeles and several other cities. . . .

6.   South West Trains said it violated no law because it also denied free travel benefits to partners of male homosexuals.

7.   Most of the cases are male homosexuals or bisexuals.