cancer

Blacks have more serious cancer due to vitamin D deficiency caused by skin color

Sunday, November 14, 2010 by: David Gutierrez, staff writer
Tags: cancer, skin color, health news

eTrust Pro Certified

Delicious Pin It
(NaturalNews) Women of African ancestry are more likely to develop a more aggressive form of breast cancer known as "triple negative," researchers have found, but the explanation for this correlation may have more to do with vitamin levels than with genetic predisposition.

Breast tumors may carry any combination of a variety of receptors, including estrogen receptors, progesterone receptors and HER-2/neu receptors. Because modern treatments have focused on targeting these three receptors, cancers that carry none of them -- that are triple negative -- are significantly harder to treat.

"Outcome disparities are therefore likely to increase, because fewer black women are candidates for these newer treatments," said researcher Lisa A. Newman of the University of Michigan.

To conduct the study, which was published in the journal Cancer, researchers compared the types of breast cancer diagnosed in white and black women at the Henry Ford Health System in Detroit and African women at the Komfo Anokye Teaching Hospital in Ghana. They found that while only 16 percent of white and 26 percent of black participants had triple negative cancer, the rate was 82 percent among African women.

The researchers immediately proposed a genetic explanation for their findings, suggesting that African ancestry predisposes women to develop triple negative breast cancers. As evidence, they cited studies showing that while breast cancer rates are lower among black women in the United States than among white women, black women tend to develop cancers at a younger age, and those cancers are more aggressive and more likely to be fatal.

The data may be interpreted another way, however. For example, a number of studies have identified traits including obesity, excess weight gain since childhood, failure to breastfeed after pregnancy and use of lactation suppressants as risk factors for basal-type breast cancers, of which triple negative cancers are a subcategory.

Meanwhile, cancer researcher Sarah Gehlert of the University of Chicago is conducting research into the effect community factors on breast cancer risk.

"Women who live in areas with ... a lot of violent crime, and who live in unsafe housing, without a lot of community support ... will be more likely to have sporadic mutations and will have [worse outcomes] with breast cancer," Gehlert said.

If women in Ghana and black women in Michigan live in more stressful, toxic environments than white Michigan women, this could partially explain the study's findings. Notably, Ghanian women in the study were also likely to develop cancer younger and to have larger, more advanced tumors. Similarly, a higher rate of triple negative cancer has also been found among Hispanic women in the United States, whose genetic ancestry is quite different than African American women.

One factor shared by black and Hispanic women is darker skin color and a corresponding predisposition to vitamin D deficiency.

"We produce vitamin D from UV sunlight, but melanin -- which gives dark skin its color -- blocks UV light," said Dr Helen Cooper of Birmingham University.

Vitamin D helps to regulate the immune system and has been associated with a lower risk of certain cancers. Researchers believe this is why rates of cancer are so much lower closer to the equator, where the sun is strongest.

In addition to helping prevent cancers in general, vitamin D may also help reverse the course of breast cancer.

"There is some evidence that Vitamin D can help transform breast cancer cells into healthy cells," writes Phyllis A. Balch in her book Prescription for Herbal Healing.

"Vitamin D supplements are not necessary; all that is needed for the body to manufacture adequate amounts of Vitamin D for fighting cancer is to expose your hands and face to sunlight for twenty minutes each day. Do not use sunscreen during this twenty-minute period, since sunblocks screen out the kind of ultraviolet light that stimulates the natural production of the vitamin."

To learn more about Vitamin D, read the free Natural News report "The Healing Power of Sunlight & Vitamin D," http://www.naturalnews.com/rr-sunlight.html.

Sources for this story include: http://www.latimes.com/news/health/sns-healt... http://www.newsoftheworld.co.uk/fabulous/fas... http://www.nytimes.com/2010/07/27/health/27b... http://newsminer.com/bookmark/8883753-Gettin... http://www.cancer.gov/ncicancerbulletin/NCI_....

Get breaking news alerts on GMOs, fluoride, superfoods, natural cures and more...
Join over four million monthly readers. Email privacy 100% protected. Unsubscribe at any time.


Have comments on this article? Post them here:

comments powered by Disqus

Take Action: Support NaturalNews.com

Email this article to a friend

Permalink to this article:

Reprinting this article: Non-commercial use OK, cite NaturalNews.com with clickable link.

Embed article link: (copy HTML code below):
Most Popular
Today | Week | Month | Year

See all Top Headlines...



GET SHOW DETAILS
+ a FREE GIFT

Now Available at ShopNaturalNews.com

O3 Essentials OraJuvenate™
A powerful, cleansing dental cream for maximum oral/dental health.
New Cancer Solutions
Over 3 hours of content covering today’s best cancer tests, how to kill cancer cells and the best diets and exercise routines.
Freeze-Dried 100% Organic Whole Corn
Our freeze-drying method preserves taste, texture and nutrients better than any other food preservation method ever invented.
Fenix TK35 Flashlight
Tough, waterproof, extremely bright and it’s touted to throw an 800+ lumen beam more than 1,000 feet into the night.
Inca Treasure Smoothie Pack
This pack of our four most popular superfoods from South America is the perfect combo pack for smoothie lovers.
Pink Himalayan Salt
This salt delivers significant levels of magnesium, zinc and selenium, with trace levels of dozens of other elements.
Pinhole Glasses - Aviator Style
Pinhole glasses are becoming famous for helping people improve their vision without the risks of laser surgery.
Oxy-Rich Facial Serum
O3 Essentials Jojoba Oxy-Rich Facial Serum is cellular nourishment for your skin. Helps smooth fine lines while enhancing tissue elasticity.
Freeze-Dried 100% Blackberry Halves
Our freeze-dried blackberry halves are grown in Serbia under strict organic standards.

Also on NaturalNews:

Health Ranger Videos
Activist music
CounterThink Cartoons
Food documentaries
FREE Special Reports
Podcasts
Colloidal Silver

Advertise with NaturalNews...

Support NaturalNews Sponsors:

Advertise with NaturalNews...

Most Popular Stories

Flu shot kills 19-year-old, but vaccine industry still has total immunity against lawsuits
Here's a nutty fact: Eating more tree nuts lowers the risk of all-cause death by up to 20 percent
Six important facts you're not being told about lost Malaysia Airlines Flight 370
Malaysia Airlines Flight 370 now clearly a government cover-up: All evidence contradicts official story
10 other companies that use the same Subway yoga mat chemical in their buns
BLM fracking racket exposed! Armed siege and cattle theft from Bundy ranch really about fracking leases
High-dose vitamin C injections shown to annihilate cancer
U.S. treating meat with ammonia, bleach and antibiotics to kill the '24-hour sickness'
USDA to allow U.S. to be overrun with contaminated chicken from China
Vaccine fraud exposed: Measles and mumps making a huge comeback because vaccines are designed to fail, say Merck virologists
Battle for humanity nearly lost: global food supply deliberately engineered to end life, not nourish it
Diet soda, aspartame linked to premature deaths in women

25 Amazing Facts About Food

This FREE downloadable report unveils a collection of astonishing and little-known facts about the food we eat very day. Click here to read it now...

 

Resveratrol and its Effects on Human Health and Longevity - Myth or Miracle.

Unlock the secrets of cellular health with the "miracle" nutrient Resveratrol Click here to read it now...

 

Nutrition Can Save America

FREE online report shows how we can save America through a nutrition health care revolution. "Eating healthy is patriotic!" Click here to read it now...

The Healing Power of Sunlight and Vitamin D

In this exclusive interview, Dr. Michael Holick reveals fascinating facts on how vitamin D is created and used in the human body to ward off chronic diseases like cancer, osteoporosis, mental disorders and more. Click here to read it now...

Vaccines: Get the Full Story

The International Medical Council on Vaccination has released, exclusively through NaturalNews.com, a groundbreaking document containing the signatures of physicians, brain surgeons and professors, all of which have signed on to a document stating that vaccines pose a significant risk of harm to the health of children. Click here to read it now...

Health Ranger Storable Organics

GMO-free, chemical-free foods and superfoods for long-term storage and preparedness. See selection at www.StorableOrganics.com



Recommended Resources On:

Natural News trends
Health Ranger news
Natural News GMOs
Mike Adams tracker
Natural News photos
Natural News Global
Natural News in focus
Natural News connect
Natural News shocking stories
Natural News radar
GMOs
Quackwatch
Vaccines
Health freedom
Dr. Paul Offit

This site is part of the Natural News Network © 2014 All Rights Reserved. Privacy | Terms All content posted on this site is commentary or opinion and is protected under Free Speech. Truth Publishing International, LTD. is not responsible for content written by contributing authors. The information on this site is provided for educational and entertainment purposes only. It is not intended as a substitute for professional advice of any kind. Truth Publishing assumes no responsibility for the use or misuse of this material. Your use of this website indicates your agreement to these terms and those published here. All trademarks, registered trademarks and servicemarks mentioned on this site are the property of their respective owners.

eTrust Pro Certified Android app on Google Play

Sign up for the FREE Natural News Email Newsletter

Receive breaking news on GMOs, vaccines, fluoride, radiation protection, natural cures, food safety alerts and interviews with the world's top experts on natural health and more.

Join over 7 million monthly readers of NaturalNews.com, the internet's No. 1 natural health news site. (Source: Alexa.com)

Your email address *

Please enter the code you see above*

No Thanks

Already have it and love it!

Natural News supports and helps fund these organizations:

* Required. Once you click submit, we will send you an email asking you to confirm your free registration. Your privacy is assured and your information is kept confidential. You may unsubscribe at anytime.