41.   You notice, for instance, that some articles show that blocking the hormone estrogen may slow cancer.

42.   Another fact that supports the findings is that the female hormone estrogen regulates the serotonin transporter, said Cunningham, who was not involved in the study.

43.   Follicles produce the hormone estrogen before releasing the eggs, a process called ovulation.

44.   It works by blocking the effects of the female hormone estrogen, which can fuel cancer growth.

45.   Levels of the female hormones estrogen and progesterone fluctuate throughout the menstrual cycle.

46.   Men secrete oxytocin, but male hormones seem to reduce its effect, while the female hormone estrogen amplifies it, Taylor said.

47.   New research bolsters the theory that the female hormone estrogen might protect women from colorectal cancer.

48.   The best treatment is the hormone estrogen, but many women refuse to take it because of side effects, including a possible risk of certain cancers.

49.   The hormones estrogen and calcitonin are the only treatments.

50.   The lower dose had no significant effect on testosterone levels, though levels of the female hormone estrogen increased substantially with both doses.