Here are some of the latest health and medical news developments, compiled by the editors of HealthDay:

Straight Women Least Likely to Have Orgasm: Study

Straight women are less likely to have an orgasm than any other group of people, a new study finds.

Researchers analyzed data from 52,600 people in the United States in order to determine the proportion of people who usually have an orgasm, BBC News reported.

The rates were: 95 percent for heterosexual men, 89 percent for gay men, 88 percent for bisexual men, 86 percent for lesbian women, 66 percent for bisexual women, and 65 percent for heterosexual women.

The study was published in the journal Archives of Sexual Behaviour.

The researchers are from Indiana University, Chapman University and Claremont Graduate University, the BBC reported.