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Breast Cancer - Spontaneous Regression (Part 1)



Cancers, even advanced cancers, can sometimes undergo what is called ’spontaneous regression’ - i.e., they can simply disappear without trace. This is a phenomenon well known to medical science. In the 1960s, Tilden C. Everson and Warren H. Cole wrote a small book on the topic, Spontaneous Regression of Cancer. Spontaneous regressions are poorly understood and have generally been thought to occur only rarely, but a recent study carried out by a team of researchers led by epidemiologist H. Gilbert Welch, MD, of Dartmouth Medical School, suggests that spontaneous regression may be considerably more common than previously thought.

The study, published this week in the journal Archives of Internal Medicine, followed a group of almost 110,000 Norwegian women who underwent periodic mammographic screening for breast cancer over a five-year period between 1992 and 1997, and compared these women with a second, matched group of women who did not undergo regular routine breast cancer screening during the same period. Surprisingly, the women who underwent regular screening had 22 percent more invasive breast cancers than those who did not (Zahl, 2008).

In this closely-reasoned Archives of Internal Medicine paper, Welch and his colleagues suggest that the most plausible explanation for this sizeable discrepancy is that many of the women in the unscreened group probably also had an equivalent number of cancers, but in the absence of screening those cancers went undetected, and therefore untreated. Furthermore, rather than progressing, those cancers may simply have resolved and disappeared over time.

It seems counterintuitive, but up to one fifth of all breast cancers that are detected by mammographic screening may potentially resolve themselves without treatment. "Because the cumulative incidence among controls never reached that of the screened group," the authors wrote, "It appears that some breast cancers detected by repeated mammographic screening would not persist to be detectable by a single mammogram at the end of 6 years. This raises the possibility that the natural course of some screen-detected invasive breast cancers is to spontaneously regress,"

The study’s conclusions, published in a journal of the American Medical Association, were considered important enough to be featured in the New York Times. In an interview with Gina Kolata, the Times’s medical correspondent, Dr. Welch explained the study’s controversial conclusion, that "there are some women who had cancer at one point, and who later don’t have that cancer" (Kolata, 2008).

Readers of this newsletter may recall that I have previously discussed the risks and benefits of screening mammography. Indeed, I have published an investigative report on mammography - "Mammography, Biopsy and the Diagnosis of Breast Cancer" (Available by clicking here).

There is considerable evidence to suggest that a significant proportion of the abnormalities detected on mammography may in fact not represent an immediate threat. They may instead represent ‘over-diagnosis’ - that is, the detection of lesions that, left alone, might never progress to invasive cancer at all.

This week’s Archives of Internal Medicine paper takes this possibility one step further. "We believe that there are ‘pseudo’ cancers in this population [of mammographically screened women] and we suggest that most of these pseudo cancers regress," said Jan Maehlen, MD, professor of pathology at the Ulleval University Hospital in Oslo, Norway, and one of the study’s authors, in an interview with the online medical forum Medscape (Mulcahy, 2008).

–Ralph W. Moss, Ph.D.

Source: www.cancerdecisions.com

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Progesterone & Pregnancy

Progesterone & Progesterone: A Guide to Using Bioidentical Progesterone to Facilitate Fertility and Support PregnancyA Guide to Using Bioidentical Progesterone to Facilitate Fertility and Support Pregnancy

Of all female hormones, progesterone is the one most essential for conception and to the survival of the fertilized egg and the fetus throughout gestation.

This self-help user guide is based on tried and tested suggestions reported by women who’ve successfully incorporated supplemental bioidentical progesterone to enhance their fertility and protect mother & child against complications during pregnancy. [More details]

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Progesterone & Polycystic Ovaries

Progesterone & Polycystic Ovaries - 60 Day User GuideA 60 Day User Guide

PCOS affects an estimated 5-10% of women of reproductive age. It is one of the leading causes of female infertility.

Women with PCOS are at a higher risk for a number of illnesses, including high blood pressure, diabetes, heart disease, and cancer of the uterus (endometrial cancer).

This self-help user guide explains some of the signs & tests for polycystic ovaries, how to use progesterone to prevent future complications, and then steps you through cream dosage & usage techniques. [More details]

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Progesterone & Migraine Headaches

Progesterone & Migraines - 60 Day User GuideA 60 Day User Guide

Over half of women with migraine report having them right before, during, or after their period. Others get them for the first time when taking birth control pills. And some women start getting them when they enter menopause.

This self-help user guide explains what causes migraine headaches, how to use progesterone to find long term relief, and then steps you through cream dosage & usage techniques. [More details]

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10 Things EVERY Woman Should Know About Natural Progesterone

Click here to enlarge imageThis publication is a MUST HAVE consumer guide to purchasing and using bioidentical progesterone.

Chapters include: Delivery method – cream, oil or pill?, When & how to apply cream, How much cream to use, Discovering your optimal level, What to do if you don’t get results, Being active in your choices, and much more.

This self-help user guide really should be titled, ‘Progesterone Therapy from A-Z'. [More details]

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A Woman's Guide to Using Natural Progesterone

A Woman's Guide to Using Natural Progesterone

If you are fed up feeling miserable and unwell, suspect hormone imbalance, and want to know more about how natural progesterone cream might help, doesn't it make sense to trust THE WOMEN who've actually used natural progesterone for over a decade ... and reported remarkable results?

This 210 paged self-help user guide walks you through what progesterone is, why our bodies needs it, how to determine if you are deficient in this hormone, and provides proven common-sense health solutions. [More details]

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