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Published on Leave a comment on Personal Care Products and Breast Cancer Risk

For years there has been much concern over chemicals that act as endocrine disruptors (hormone disruptors) in the personal products that we use on a daily basis.  One big concern is whether these chemicals, such as parabens and phthalates, are causing breast cancer (as well as other harmful health effects). Because whatever you use on your skin, will get into you.

A recent study looking at these harmful chemicals found that women switching to paraben and phthalate free cosmetic products had a quick effect (within 28 days) on lowering their levels in the body (blood, urine, breast tissue cells). Which then resulted in lowering breast cancer markers to a "normal" expression. Wowza!

What you can do: Check the ingredients in the lotions you use. Are there parabens and phthalates in it? Spend your money on safe lotions and other personal products. Go to EWG (ewg.org) or mamavation.com for lists of safe products. Also: Ways to lower your exposure to harmful chemicals

For example, the commonly used lotion Lubriderm to this day has several types of parabens (e.g., methylparaben) in it. No, no, no... Why are they still in the lotion? Note that our government is not protecting us from these harmful chemicals. (Instead Big Business and big money is more important.)

From Environmental Health News: Get phthalates, parabens out of the bathroom drawer to reduce breast cancer risk: Study

Switching to phthalate and paraben-free personal care products could reduce the risk of developing breast cancer, according to new research. ...continue reading "Personal Care Products and Breast Cancer Risk"

Published on Leave a comment on Check Personal Care Product Ingredient Lists During Pregnancy

More evidence linking endocrine disrupting chemicals such as butyl paraben, triclocarbon, propyl paraben. with negative health effects (here linked to effects on the pregnancy and baby). It is especially important to try to lower exposure to endocrine disruptors during pregnancy. So read labels on all personal care products and avoid all parabens, phthalates, triclocarban, bisphenol-A (BPA), and triclosan - because what you use on your body will get into your body, From Medical Xpress:

Use of personal care products during pregnancy linked to adverse effects in newborns

A study led by SUNY Downstate Medical Center's School of Public Health presents evidence linking personal care products used during pregnancy to adverse reproductive effects in newborns."The study found a link between women with higher levels of butyl paraben, which is commonly used as a preservative in cosmetics, and the following birth outcomes: shorter gestational age at birth, decreased birth weight, and increased odds of preterm birth," says Laura Geer, PhD, MHS, associate professor in the Department of Environmental and Occupational Health Sciences in the School of Public Health at SUNY Downstate.

The antimicrobial compound, triclocarban, mainly added to soaps, was associated with shorter gestational age at birth. Another common chemical added to lotions and creams, propyl paraben, was associated with decreased body length at birth. The long-term consequences of this are not clear, and, Geer adds, "Findings must be reproduced in larger studies."

Dr. Geer says, "Our latest study adds to the growing body of evidence showing that endocrine-disrupting compounds can lead to developmental and reproductive problems in animals and in humans. Effects observed in previous studies mainly came from animal models only." This study presents evidence of potentially adverse impacts in humans. 

Regulations requiring removal of triclosan from various consumer care products have been in place since 2015 in the European Union, but broader regulatory action by the U.S. Food and Drug Administration and the U.S. Environmental Protection Agency has not ensued.

More on this same story from Environmental Health News:  Soap, makeup additives linked to preterm births, smaller babies

Pregnant women in Brooklyn with high levels of certain compounds used in makeup and soaps were more likely to have preterm births and babies that weighed less, according to a new study. The study, published online last week in the Journal of Hazardous Materials, provides the first evidence that germ-killing and preservative chemicals used in cosmetics and soaps might impact newborns’ health. It also bolsters suspicions that chemicals in soaps and lotions disrupt people’s endocrine systems, which are crucial for reproduction and babies’ development.

From 2007 to 2009, Geer and colleagues tested 185 mothers’ third trimester urine, as well as the umbilical cord blood of 34 of them, for a suite of different parabens, used mostly in cosmetics, and triclosan and triclocarban, which are used as antimicrobials in soaps. The mothers were from the University Hospital of Brooklyn’s Prenatal Clinic.

The chemicals, especially the parabens, are common: According to the Environmental Working Group’s Skin Deep database, butylparaben is used in 2,245 personal care products, propylparaben is used in 7,212, and triclocarban is used in 21.

The results don’t prove that the chemicals are behind the birth problems. While scientists know the chemicals have some biological activity, the amount of exposure that could cause problems remains unclear.  Animals exposed to the chemicals have had some reproductive impacts. In rats, triclocarban impacted male sex organ development in a 2008 study. Paraben exposure decreased male rat sperm counts and efficiency in a 2002 study. One of the most studied endocrine disrupting chemicals, bisphenol-A or BPA, has been linked to multiple birth defects....Except for some color additives, the U.S. Food and Drug Administration does not regulate cosmetic ingredients.

Published on Leave a comment on Time to Ditch Personal Care Products Containing Parabens?

Even though many, many personal care products contain parabens, the evidence is accumulating that parabens have negative health effects. And now research suggesting that perhaps they may be a factor in developing breast cancer. This latest study was done "in vitro" - meaning looking at the effects of chemicals on human breast cells (in culture dishes), but the results absolutely should make someone think twice about all the parabens in products, and how they accumulate in us. Research has already found parabens in the human breast, but many thought that the levels were too low to promote cancer.

Parabens are common ingredients in cosmetics, shampoos, body lotions and sunscreens, where they are used to prevent microbial growth and prolong shelf life.  Common names of parabens are: methylparaben, ethylparaben, propylparaben, and butylparaben. Detectable levels of multiple parabens are present in human urine and breast tissue. Bottom line: Parabens are endocrine disrupting chemicals that mimic estrogens and may have effects at very low doses to stimulate breast cancer cell growth. So read labels of personal care products and avoid those with parabens. From Futurity:

New Tests Suggest Parabens Carry Cancer Risk

A group of chemicals called parabens—common ingredients in personal care products—may interact with growth factors in the body to increase the risk of breast cancer, according to new research. Parabens are preservatives widely used in everything from shampoos and cosmetics to body lotions and sunscreens. The chemicals have generated increasing health concerns, however, because they mimic estrogens, which have been linked to an increased risk of breast cancer and reproductive problems.

“Although parabens are known to mimic the growth effects of estrogens on breast cancer cells, some consider their effect too weak to cause harm,” says lead investigator Dale Leitman, a gynecologist and molecular biologist at the University of California, Berkeley, and an adjunct associate professor of nutritional sciences and toxicology. “But this might not be true when parabens are combined with other agents that regulate cell growth.”

Existing chemical safety tests, which measure the effects of chemicals on human cells, look only at parabens in isolation, he says. They fail to take into account that parabens could interact with other types of signaling molecules in the cells to increase breast cancer risk.

To better reflect what goes on in real life, Leitman and his colleagues looked at breast cancer cells expressing two types of receptors: estrogen receptors and HER2. Approximately 25 percent of breast cancers produce an abundance of HER2, or human epidermal growth factor receptor 2. HER2-positive tumors tend to grow and spread more aggressively than other types of breast cancer.

The researchers activated the HER2 receptors in breast cancer cells with a growth factor called heregulin that is naturally made in breast cells, while exposing the cells to parabens. Not only did the parabens trigger the estrogen receptors by turning on genes that caused the cells to proliferate, but also the effect was significant. The parabens in the HER2-activated cells were able to stimulate breast cancer cell growth at concentrations 100 times lower than in cells that were deprived of heregulin.

The study demonstrates that parabens may be more potent at lower doses than previous studies have suggested, which may spur scientists and regulators to rethink the potential impacts of parabens on the development of breast cancer, particularly on HER2 and estrogen receptor positive breast cells. The findings also raise questions about current safety testing methods that may not predict the true potency of parabens and their effects on human health.