Early menopause and lung cancer
A study published in the May online edition of International Journal of Cancer is starting to hit the news this week. And the news is a bit grim for women who go through early menopause due to surgical removal of the ovaries. It seems that hysterectomy is unusually linked with almost twice the risk for developing lung cancer.
Researchers investigated the possible association between characteristics of menstruation and pregnancy and lung cancer risk in 999 individuals (422 women with lung cancer, 577 men and women without). They examined demographics, occupational exposures, medical history, and menstruation and pregnancy histories. Detailed smoking histories were also taken.
The findings showed that although most menstruation and pregnancy characteristics were not associated with lung cancer risk, women who predominantly had had both ovaries removed had a 1.95 times greater risk than women who had a natural menopause of developing lung cancer.
Clearly, further study is needed because research has also shown that replacing hormones via HRT increases the risk for death from lung cancer. It’s sort of a lose-lose, damned if you do, damned if you don’t, situation.
I promise to keep a clearer eye on this evolving set of data. In the interim, if you’ve had an hysterectomy, speak to your healthcare practitioner. Best to err on the side of caution.
Read MoreEarly menopause: part I
I received a request to do some posts on early menopause. But what is early menopause anyhow? And how is it different than premature menopause?
Early menopause, as defined by several reputable societies, refers to menopause that occurs between the ages of 40 and 45. It is typically caused by one of three factors:
- An earlier than normal decline in production of ovarian hormones, namely, estrogen (also called ovarian failure)
- Surgical removal of the ovaries
- Chemotherapy
While the symptoms of early menopause are similar to that of menopause after age 45, they may be more severe.
Premature menopause, on the other hand, refers to menopause that occurs before age 40.
Factors that influence the timing of menopause include genetics/heredity, smoking and of course, hormones. In fact, in study published last week in Publish Ahead of Print issue of Menopause, researchers found that the likelihood of both entering menopause and moving through each stage significantly increased with increases in the levels of follicular stimulating hormone (FSH) levels and declines in the levels of inhibin B (which, in studies, have been linked with a declining reserve of follicles). What’s more, current smokers had an increased 30% greater odds of moving through each menopausal stage.
In a second study, presented in May at the European Society of Human Genetics Conference, researchers reported data from over 10,000 post-menopausal women demonstrating that gene mutations are responsible for regulating the timing of ovarian aging and age of menopause. More specifically, for every mutation in DNA found on chromosomes 19 and 20, almost a year and half year’s increased risk for earlier menopause, respectively, was found. Although the researchers say that more research is needed, identification may lead to better screening tools, not only to plan pregnancy (but also to potentially devise a strategy to address menopausal symptoms in a timely fashion).
Okay, so your doctor has informed you that you are going through early menopause. And your symptoms are severe. What can you do?
The advice for dealing with symptoms of early menopause are no different than dealing with symptoms of regular menopause – do your research, speak to a reputable, licensed health practitioner and take charge. Flashfree is a great source for discussions surrounding the evidence for or against the use of various alternative approaches for dealing with hot flashes, night sweats, mood swings, depression, irritability, weight gain, heart disease and breast cancer risks, stress and midlife in general. If you prefer, HRT is always available and your gynecologist, nurse practitioner or internist can provide you with advice and guidance.
On a less positive note, early menopause has been linked to increased risk for certain conditions, including stroke, heart disease and osteoporosis. I’ll be addressing these directly in Wednesday’s Bubble. In the interim, I encourage you to peruse the site and the provided links. And I hope that you’ll feel comfortable sharing some of the steps you’ve taken to deal with this issue, not only on the physical front but also on the emotional.
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