Lecture 18 Ecol Studies - Epi-Byte April 5, 2011, 4:02 pm...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
Epi-Byte April 5, 2011, 4:02 pm Estrogen Lowers Breast Cancer and Heart Attack Risk in Some By TARA PARKER-POPE Ron Wurzer for The New York Times Andrea LaCroix of the Fred Hutchinson Cancer Center in Seattle found that estrogen lowers breast cancer risk in some women. “In a finding that challenges the conventional wisdom about the risks of some hormones used in menopause, a major government study has found that years after using estrogen-only therapy, certain women had a markedly reduced risk of breast cancer and heart attack. The most surprising new finding relates to breast cancer. The women with hysterectomies who used estrogen alone had a 23 percent lower risk for breast cancer compared with those who had taken a placebo. This is in stark contrast to the higher risk of breast cancer shown in the estrogen-progestin part of the trial. …the investigators emphasized that the results do not change recommendations concerning combination hormone therapy for the two-thirds of menopausal women who still have a uterus. The Women’s Health Initiative data have consistently shown that the combination of estrogen and progestin raises breast cancer risk, and that the treatment should be used only to relieve severe
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Design an Epi Study Due in section next week 4-6 pp dbl-spaced Can use any study design (case-control is in textbook) See detailed instructions and example on Bb>Course Documents
Background image of page 2
Lecture 18: Ecological Study Designs
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 19

Lecture 18 Ecol Studies - Epi-Byte April 5, 2011, 4:02 pm...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online