SEARCH:
Sign in | Join | Help
search Mercola.com
 
FREE Subscription 
The World’s Most Popular Natural Health Newsletter
Puberty at 8? Girls' Earlier Puberty Puts Them at Higher Risk for Cancer

Girls in the United States are reaching puberty at very early ages, increasing their risk of breast cancer, social problems, and emotional problems.

While the biological signs of female puberty -- menstruation, breast development, and growth of pubic and underarm hair -- typically occurred around 13 years of age or older just decades ago, today girls as young as 8 are increasingly showing these signs.

African-American girls are particularly vulnerable to early puberty.

Aside from the social and emotional implications, early puberty exposes girls to more estrogen, which increases their risk of breast cancer because the disease thrives on estrogen.

According to biologist Sandra Steingraber, the author of the report titled "The Falling Age of Puberty in U.S. Girls: What We Know, What We Need to Know," "The data indicates that if you get your first period before age 12, your risk of breast cancer is 50 percent higher than if you get it at age 16."

"For every year we could delay a girl‘s first menstrual period,” she says, “we could prevent thousands of breast cancers."

Theories behind what is causing the early-puberty trend abound, but the actual causes are not known. Potential causes noted in the paper include:

  • Rising childhood obesity rates and inactivity
  • Formula-feeding of infants
  • Excessive TV viewing and media use
  • Family stress
  • Exposure to environmental chemicals

Early puberty is likely an “ecological disorder,” according to Steingraber, that’s being caused by a number of environmental factors.

The Breast Cancer Fund, “The Falling Age of Puberty in U.S. Girls: What We Know, What We Need to Know”

Chicago Tribune September 16, 2007



Dr. Mercola''s Comments Dr. Mercola's Comments:

It is becoming increasingly common for young children, even 5- and 6-year-olds, to go through precocious puberty (aka early sexual development). The introduction of this report even states that studies have found girls as young as 2 years old entering puberty!

This is clearly a multi-faceted problem, but I believe one of its main causes stems from your environmental exposure to a whole slew of endocrine-disrupting chemicals.

These man-made chemicals affect your hormones, which control development and function in your body. There is mounting evidence that they can cause harm in the development of fetuses and children, who are particularly sensitive to the chemicals because they have not yet developed the protective mechanisms present in adult bodies.

If you think you and your children are not exposed to endocrine disrupters, think again. They’re commonly found in many household products and cosmetics, including:
  • Bovine growth hormones commonly added to commercial dairy
  • Soy foods, which are loaded with hormone-like substances
  • Bisphenol A, commonly used in many plastics such as baby bottles, food-storage containers, and the lining of soda cans
  • Phthalates, also commonly used in plastics
  • Perfluorooctanoic acid (PFOA) -- better known as Teflon
I want to place special emphasis on soy. As many VitalVotes readers have been pointing out, soy is present in virtually every processed food, and Americans are eating it in unprecedented quantities in foods like soymilk, soy burgers, and soy ice cream.

Meanwhile, some misinformed moms are still feeding their vulnerable babies soy infant formula, which exposes their child to the equivalent of five birth control pills’ worth of estrogen every day. For this same reason, it’s also important for pregnant women to avoid eating soy, as a high estrogenic environment in utero may increase their child’s subsequent breast cancer risk.  

Other environmental chemicals like PCBs and DDE (a breakdown product of the pesticide DDT) may also be associated with early sexual development in girls. Both DDE and PCBs are known to mimic, or interfere with, sex hormones.

What is even more troubling is that endocrine-disrupting environmental chemicals can actually increase your child’s risk of obesity, which in turn may increase their likelihood of early puberty.

Early Puberty is Only the Tip of the Iceberg

Meanwhile, the same chemical exposures that are causing young kids to enter puberty well before their time can also lead to increased infertility and breast cancer rates down the road.

So if you have children, or are planning to, avoiding environmental contaminants and soy foods as much as possible (unless they are in the traditional, fermented form such as natto, miso, or tempeh), is a wise choice.

Here are some measures you can take to protect yourself and your children from common toxic substances that could cause them to go into puberty years before they were designed to:
  • Only use natural cleaning products in your home. Most health food stores will have these available or you can search online for them.
  • Avoid processed foods, which are loaded with soy and other unsavory ingredients.
  • Switch to natural brands of toiletries, including shampoo, toothpaste, antiperspirants, and cosmetics. Use the same sources as above for these, either your local health food store or you can search online.
Finally, I encourage everyone with children or grandchildren to review Theo Colburn’s Our Stolen Future, which is one of the BEST resources on this topic.


Related Links:



Comment on This Article Community Comments (67)
 
 
Posted On Sep 18, 2007
There is more and more evidence coming to light that the added growth hormone given to cows to increase milk production is at least partially responsible for this along with the growing use of Soy.  I have a granddaughter that needed a bra at 8 years old, so I'm sure the rest will soon follow.   God knew what he was doing when He created our bodies.  What makes man think he can mess with that plan and get away with it.

 
Patty D
Savvy User Savvy User, Joined On 6/2007
Patty D  
Replied

Sean Uisce
Apprentice User Apprentice User Joined On 11/2006
Sean Uisce  
 
Posted On Oct 06, 2007

Yes Patty. We are unwise to mess with nature's ways.

Adding fluoride to water is a big one.

Human breast milk delivers a mere 0.004-5parts per million. We put 200-250 times that into public water supplies so baby formula made up with fluoridated tap water delivers way more than God intended.

And then certain amounts of it enter the bloodstream via hot water in showers, baths. Then it comes at us via pesticides, teflon (PerFLUOROctanoic Acid), fluorocarbons, medication and over-the-counter drugs (some painkillers for instance).  

Jennifer Luke (1997/8) found that it accumulates in the pineal gland and disrupts it's normal function - especially with regard to melatonin production.  She found a direct relationship between lowered melatonin levels and early onset of puberty  www.fluoridealert.org/ifin-14.htm gives s good introduction to/overview of her findings.



Health 1
Novice User Novice User Joined On 3/2007
Health 1  
 
Posted On Oct 08, 2007

Well put Patty D.

Many years ago, I did a paper on Sinovex H for Hefers and Sinovex S for Steers. The purpose of the impalnt behind the ear of cattle was, for quick weight conversion. The rest is hormonal manipulation and history.

Certified Organic, grass fed, free range, chemical free, radiation free ....... is what we are designed and meant to eat. We just hosted our Thanksgiving dinner yesterday at our home. Everything from turkey to dessert was as organic and free of un-adulterated food as was fesible.

I question as to what is truly organic, now a days?  Acid rain,(smog warnings in our region more often than we can count... thus the upswing in asthma and respiratory distress with asignificant increase in visits to emerg) assuredly make it increasingly more difficult to nourish our bodies with what it requires to function to optimal levels. Each plant/vegetable...renders itself significantly more benign/palliative in it's intirety, by prodcuing protective compounds against what might be toxic/harmful (depending on the plant/vegetable)to us. Whereby if compounds are isolated, adulterated and grown in un-fortified, mineral deficient soil, our health invariably will suffer the consequneces.  

The heart warming benefit of being together as a family, was, the time of closeness we shared on a one on one and together. It undoubtedly contributed to beneficial immune enhancement, as we laughed, cried and shared together.  Acceptance begets confidence, which begets kindness, which ultimately begets acceptance... thereby cemoning a better servant to the broken, the ailing and the sick.

May you and yours enjoy Thanksgiving with as much unconditional love/acceptance as I/we did.

Blessings to all.

Dr. Trudy


 
 
 
Posted On Sep 18, 2007
I would add that weight plays a role in girls reaching puberty.  I believe 105LB is when the change occurs.  Obesity among youths is on the rise too.

 
Phantom O Banjo
Savvy User Savvy User, Joined On 9/2006
Phantom O Banjo  
Replied

Swami Barmi
Savvy User Savvy User Joined On 10/2006
Swami Barmi  
 
Posted On Sep 18, 2007
Makes sense: estrogen is stored in adipose tissue. More adipose, more estrogen? And much of the excess food an overweight kid is likely to eat will include a lot of soy and its estrogenic effects.


Patty D
Savvy User Savvy User Joined On 6/2007
Patty D  
 
Posted On Sep 18, 2007
I'm not sure about that statistic.  Many girls start their periods and weigh 70 to 80lbs (both my daughters and several of their friends).  I know adipose tissue has more estrogen, but there's no magical weight I don't think.


samurai
Savvy User Savvy User Joined On 4/2007
samurai  
 
Posted On Sep 18, 2007
Swami Barmi,
That is the exact gospel I keep preaching!!!
If I could give you 100pts I would. 
I feel like Penelope, warning people of the dangerous Trojan Horse, and I am unable to covey the message. 
I paid a high price for estrogen dominance.  I am now recovering. 


Russ Bianchi
Savvy User Savvy User Joined On 9/2006
Russ Bianchi  
 
Posted On Sep 18, 2007
And WHERE in the food and beverage chain is the single largest source of calories converted to brown adipose tissue (body fat)?! 

High Fructose Corn Syrup!


Magnolia
Savvy User Savvy User Joined On 6/2006
Magnolia  
 
Posted On Sep 19, 2007
I beg to differ. I know of two young girls who developed at age 8 and neither were heavy at all. Quite the opposite. Perhaps there are other factors at play here.


Swami Barmi
Savvy User Savvy User Joined On 10/2006
Swami Barmi  
 
Posted On Sep 20, 2007
"I beg to differ. I know of two young girls who developed at age 8 and neither were heavy at all."

Early Puberty In Girls Due to Being Overweight As A Toddler

Many toddlers who are overweight (which most people just adore and chock up to cute, pudgy  baby fat) lose that excess weight as they grow. Doesn't mean that the effects will not be longer lasting.

"Perhaps there are other factors at play here. "

Or perhaps it doesn't work exactly in the way that you assumed. Or perhaps like many illnesses, there is more than one way to arrive at it.

Consider this :
"Being obese or overweight, which has been associated with premature puberty, may be one potential cause.

Scientists have also been exploring whether so-called ''endocrine disrupters'' --a group of chemicals thought to interfere with hormonal function-- might be spurring or delaying puberty , said Herman-Giddens."

And this:
Soy Is An Endocrine Disrupter



Mercola Fan
Apprentice User Apprentice User Joined On 11/2006
Mercola Fan  
 
Posted On Sep 21, 2007
One does not have to look to far to find one place the excess hormones are coming from (there are many)...
SOY!!

Dr Mercola....are you ready to take on the soy industry with a new book devoted to the topic? All you would need to do is assemble the pages of this newsletter and publish it...the information here is exhaustive.



RhiannonH
Novice User Novice User Joined On 6/2007
RhiannonH  
 
Posted On Oct 06, 2007

I thought the magic number was 98lb but whetever it is, I think the increasing size and weight of children is a jamor factor. I remember from my high school days that is was always the skinny girls who got their periods later



CCurtis
Apprentice User Apprentice User Joined On 7/2007
CCurtis  
 
Posted On Oct 06, 2007

I don't believe weight is a factor at all as I was a "chubby" overweight teenager and I did not reach puberty until age 14.  But I also did not eat soy when I was a child (I'm now 44).  



Pat Ormsby
Savvy User Savvy User Joined On 6/2006
Pat Ormsby  
 
Posted On Oct 07, 2007

Samurai, that was Cassandra who tried to warn Troy.  Penelope was What's His Name's faithful wife, I think.  Okay, I don't know the ancient Greeks well, but I do know that we on this blog are a whole community of Cassandras being punished for offending Big Industry, and the only people who will heed our warnings are each other.



Heather Marsh
Apprentice User Apprentice User Joined On 5/2008
Heather Marsh  
 
Posted On May 22, 2009

I was told that the 'magic weight' for female puberty was 45kg( about 100 pounds) and warned my step daughter that her daughter was close to this at 7 years of age - sure enough there were definite signs of puberty before the child was 8.

At almost 12 years of age she is my height and still growing, her Cooper's Ligament is already sundered as she refuses to wear a bra - and she weighs more than I do. She wants to be the same as most of her classmates who do not need bras or deodorants - or have monthly cycles - but that genie will not climb back into the bottle :(


 
 
 
Posted On Sep 19, 2007
I believe a lot of this has to do with the plastic that has become so prevalent in our society.  A chemical in the plastic mimics hormones.

 
Sheila C
Apprentice User Apprentice User, Joined On 1/2007
Sheila C  
 
 
 
Posted On Sep 19, 2007
Could it be that beef cattle are fed estrogen to increase weight quickly, that is causing, at least in part, girls to mature prematurely?

 
patkavanaugh
Apprentice User Apprentice User, Joined On 6/2006
patkavanaugh  
Replied

Sheila C
Apprentice User Apprentice User Joined On 1/2007
Sheila C  
 
Posted On Sep 19, 2007
Hi Pat, good point.  I am not sure if there is estrogen in the growth hormone that is attached to their ear.  But probably the growth hormone itself would be enough to insure that kids mature faster.  Is it my imagination, or does it seem that people are taller that there were, say 50 years ago?


stw
Novice User Novice User Joined On 10/2007
stw  
 
Posted On Oct 08, 2007

I have helped run a small grass fed beef, chicken, and pork operation for the past 12 years.  I would like to share some of the things we do as opposed to the big "Agri" confinement opperations.  Our beef gets hay, grass, and free choice organic/natural minerals.  Big Agri beef are in confinement pens, fed the cheapest source of protein avaiable, and given growth hormones.  Growth hormones can add upwards to 100 pounds per head.  When you consider the number of cattle that goes through stockyards you can see why BigAgri sees only $$$.  It takes us longer to raise our animals out and cost more because of the high quality mineral mix we use.  For our chickens we formulate the feed ration using organic supplements. (Formulating our own feed translates into higher cost for us.  We use fishmeal as one of the protein sources.)   Our feed is ground as we need it since once grain is cracked, (corn in this case), it starts losing nutritional value.  We use no growth hormones, antibiotics, or appetite stimulate.  By the way the appetite stimulate for chickens is arsenic.  BigAgri uses antibiotics and appetite stimulates.  

This is a really short version of how we raise our meats, but hopefuly it will give you a idea of the cost involved for small operations like us as compared to the BigAgri business.   It will give you some insight in to how the meat you find in the store is rasied as well.  

How meats are processed is another topic of concern.


 
 
 
Posted On Sep 18, 2007
It's The (Processed) Food & Beverage Chain, STUPID!

Hormonal triggering or altering ingredients content in many processed food and beverages brands are the direct culprit here.

Industry will continue to deny it, but as Will Shakespeare once suggested about "the law", so too it applies to these set of facts, that, in this case vested profit driven industry, it is the  "ASS".

Uncle Russ

 
Russ Bianchi
Savvy User Savvy User, Joined On 9/2006
Russ Bianchi  
 
 
 
 
© Copyright 2009 Dr. Joseph Mercola. All Rights Reserved. If you want to use this article on your site please click here. This content may be copied in full, with copyright, contact, creation and information intact, without specific permission, when used only in a not-for-profit format. If any other use is desired, permission in writing from Dr. Mercola is required.
* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease. If you are pregnant, nursing, taking medication, or have a medical condition, consult your physician before using this product.