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BPA: BPA linked to sexual dysfunction....

Plastics Chemical Linked to Male Sexual Dysfunction

While environmental groups have sounded the alarm about the presence of bisphenol-A, or BPA, in products such as infant formula, baby bottles and other plastics, a new study provides some of the first evidence that the chemical can be harmful to humans, linking it to sexual dysfunction in men in high doses.

read on this news here

BPA: The enemy in the Fridge, store on our tables

Killing yourself softly with BPA

Plastic Poison?: Bisphenol a

Author: M Howard

The list of health problems associated with Bishenol A (a common plastic molecule to which virtually all Americans are exposed) continues to grow:



Bisphenol A has been known to be estrogenic since the mid-1930s. It is used to make polycarbonate plastic as well as dental sealants and a resin coating for food cans to separate food from metal. Exposure to BPA is widespread. It has been detected in 95% of Americans tested. Before you get into full blown panic you should know that the CDC data indicates that human exposure to bisphenol A is very low and strongly supports the conclusion that exposure to bisphenol A poses no known risk to human health. On the other hand, Canada has concluded bisphenol A, or BPA, is a dangerous substance. Close to two billion pounds of Bisphenol A are manufactured each year in the United States. In addition to its use in some plastics, Bisphenol A is used in dental sealants and prostheses. Bisphenol A compounds are utilized as flame–retardants in glues, paper and fabrics. Below is a list of diseases and conditions that Bisphenol A is associated with.



Prostate Cancer–Bisphenol A may interfere with the standard medical treatment for prostate cancer, according to new experiments with human prostate tumors implanted into mice. The doses of the plastic molecule, bisphenol A. Prostate tumor size and PSA levels were significantly greater in exposed animals just one month after treatment. Experiments with prostate tumor cells in cell culture that show bisphenol A speeds the rate at which the cells become androgen independent. Once the prostate cancer is androgen independent, it is resistant to the mainstay of treatment which is the use of hormone blocking drugs.

Bisphenol A (BPA) induces insulin resistance:--Insulin resistance is associated with type 2 diabetes. researchers found both rapid and long-term effects. In summary, they showed:



Rapid Effects (within 30 minutes) decreases, compared to controls, of blood sugar levels and sharp increases in blood insulin levels;

Long-term Effects (over 4 days) increases in pancreatic ß cells insulin production and secretion, increases in serum insulin levels; and development of insulin resistance, impaired glucose tolerance and insulin intolerance.

Insulin levels in serum were sharply elevated after a single application of only 10 micrograms per kilogram of estradiol (an estrogen hormone) or bisphenol A.



Breast Cancer: –Genes in non cancerous breast cells exposed to small amounts of bisphenol A started to act in a way that resembled the gene activity in highly aggressive breast tumors. The genetic change in the breast tissue cells increased likelihood that women would die of breast cancer.



This gene effect “is highly supportive of the concept that overexposure to BPA and/or similar compounds could be an underlying factor in the aggressiveness, if not in the causality” of breast cancers, said Shanaz Dairkee, lead author of the study and senior scientist at the California Pacific Medical Center Research Institute in San Francisco. Researchers found that estrogens and bisphenol A (BPA) affected many genes, and could cause some of them to turn on or off including genes associated with cancer. They also observed that progesterone would turn off dangerous cancer genes that had been activated by estrogen, only to have bisphenol A (BPA) turn the cancer genes on again.



“As soon as bisphenol A (BPA) was presented to the cells, they reversed back as if they had gotten another whopping dose of estrogen and completely reversed the progesterone calming effect on the cells,” Dr. Dairkee said.



Estrogen and bisphenol A (BPA) influenced 123 genes in common. But estrogen had the unique ability to affect 28 genes, while bisphenol A (BPA) was even more influential, being able to activate or deactivate another 52 genes.



Long Term Effects on the Female Reproductive Tract:–A study with mice shows a link to low level neonatal exposure to bisphenol A and uterine diseases that women may develop as they age, including uterine fibroids, adenomysois and cystic ovaries. The adverse conditions induced by bisphenol A (BPA) in mice have been previously described in daughters of women who received the drug diethylstilbestrol (DES), a synthetic estrogen which is structurally and functionally similar to bisphenol A. Research on DES has shown that animal studies can be useful in predicting effects in people.



Bisphenol A can affect male fertility–Exposure to bisphenol A during pregnancy and/or lactation can reduce survival, birth weight, and growth of offspring early in life, and delay the onset of puberty in males and females.



Learning could be damaged by Bisphenol A–Elevated levels of Bisphenol A have been reported in the blood of some pregnant women and BPA contamination may affect human hippocampal development (memory center), with long–term effects on children’s learning ability. In addition, when the ability to make estrogen is impaired, as in the elderly, exposure to Bisphenol A could damage hippocampal function and contribute to age–related neurodegenerative diseases such as Alzheimer’s disease, in which hippocampal function is impaired.



For those of you who want to decrease BPA exposure, the US National Institute of Environmental Health Sciences suggests:



Do not microwave polycarbonate plastic food containers. Polycarbonate is a strong, durable plastic but over time it may break down from over use at high temperatures.

Polycarbonate containers that contain BPA usually have a #7 on the bottom.

Reduce your use of canned foods and canned sodas. They are lined with plastic that can contain BPA

When possible, opt for glass, porcelain or stainless steel containers, particularly for hot food or liquids.

Use baby bottles that are BPA free.

Citation: Draft NTP Brief on Bisphenol A [CAS No. 80-05-7]. Published April 14, 2008. Authored by the National Toxicology Program.

from: http://healthblaster.com/2008/04/plastic-poison-bisphenol-a/

Article Source: http://www.articlesbase.com/health-articles/plastic-poison-bisphenol-a-400904.html

About the Author:
A person with a keen interest in medical science

BPA an enemy all around us

Do You Need to Worry About BPA in Plastic Bottles?

Author: Kirsten Whittaker

A recent study released by the Journal of the American Medical Association raises a concern about the chemical bisphenol-A, (BPA) in plastic bottles, metal cans and various food packaging, as well as in all those eco-friendly reusable water bottles we're all carrying around.

Based on a health survey, the study found that those who had higher amounts of BPA in their urine were more likely to report having heart disease and diabetes. Of course the research presents no information that says the BPA caused these conditions, and the study authors agree that you can't rule out the possibility that people who already have heart disease or diabetes are more vulnerable to having BPA show up in their samples.

True to form, NBC's Today Show aired a report earlier this year that glossed over the facts and highlighted a fearful danger - needlessly worrying millions of us who've fed our children from clear plastic baby bottles and sippy cups, who've tried not to add to the world's pollution by switching to re-useable water bottles.

The story had us turning over our plastic containers in search of numbers (resin ID codes #3, #6 and #7) that it turns out, don't have anything to do with a product being made from BPA, the chemical bad guy of the piece.

The "Consumer Alert" (inaccurately) said:

- There is no safe level of BPA, when in fact the chemical has been studied for many years and found to be safe, especially considering that the levels we ingest are thousands of times lower than the rats that have been studied.

- Plastics containing BPA aren't safe in the microwave, yet a Dutch study that focused on BPA migration after microwaving found no evidence of any such thing.

- Codes on the bottom of a container can tell you if it's safe. Wrong! These resin ID codes are intended to aid in recycling facilities, and have nothing to do with identifying bottles that have BPA. Any item intended to be used for food must pass tough FDA guidelines before its ever allowed on the market.

All this flies in the face of 40 years of science, according to a statement released by the American Chemistry Council a few days after the Today segment aired. Another thoughtful piece by Gilbert Ross, M.D. of the American Council On Science And Health (who also appeared, very briefly in the report) came out and called the Today report what it is - junk science.

Not only that, the in-studio guest, Dr. Leo Trasande of Mount Sinai Medical Center was given ample time during the six minute long segment to convey his message, while Dr. Ross had only 6 seconds to tell viewers that, "The toxic effects found on rats were done at thousands of times higher than we are exposed to in the environment."

Not so "fair and balanced" now is it?

The media mis-information comes as the result of a report by the National Toxicology Program that was a follow up from an expert panel review completed in 2007. Both the expert panel and the NTP reports similarly concluded a low-rate risk, or negligible concern, for adults and some concern for infants and children.

"That is the third-lowest ranking on NTP's five-level scale. Yet the media has mischaracterized the conclusions as suggesting a new direction is being given by NTP about the use of BPA. This is inaccurate," says Sharon Kneiss, vice president of the products division of the American Chemistry Council (ACC).

Until the science is sorted out, there is no way to tell if a bottle you're using is made with BPA. If you're especially concerned, you might want to avoid warming or microwaving food or beverages in plastic containers until more research on the leaking of the chemical can be completed.

In the meantime the FDA is having a second scientific panel give an opinion on the safety of BPA in plastic bottles and other packaging, though the agency has confidence in its own research, more carefully designed and thorough than the human studies that seem to be causing all the concern.

Article Source: http://www.articlesbase.com/health-articles/do-you-need-to-worry-about-bpa-in-plastic-bottles-652321.html

About the Author:
Over 14,000 people have joined Kirsten's popular (and sometimes controversial) Daily Health Bulletin , so why not join them and stay up to date with the latest in BPA plastic bottle safety and general health news daily. You'll also get 5 health reports free when you join - giving you all you need to treat common ailments, lose weight, look younger and feel healthy

How safe are we from risks of BPA

How to live BPA free

BPA or Bisphenol A is Everywhere - Are We Safe?

Author: Katt Mollar

BPA otherwise known as Bisphenol A is a compound widely used in the manufacture of plastics and epoxy resins. This industrial chemical has created quite a stir since 2007 and is still a subject of intense controversy. BPA can be found in plastics around us and is in the products that we use every day, from DVDs to eyeglasses to mobile phones. Normally, BPA is harmless, that is, until it gets in contact with food and drinks and leaches out. According to a report of the National Toxicology Program (NTP) of the U.S. National Institutes of Health (NIH), "the primary source of exposure to BPA for most people is through the diet...BPA in food and beverages accounts for the majority of daily human exposure." However, not all plastics contain BPA. Plastics are categorized into 7 types according to the recycling process and the classification codes are located at the bottom of plastic containers. According to NTP, only plastic no. 7, designated as "other" contains BPA. Incidentally there are other organizations which report that BPA is also found in plastic no. 3. Some of the adverse effects that BPA may cause include the following: BPA is an endocrine disrupting chemical (EDC) that mimics the neurotoxic properties of the hormone estrogen. According to the Pediatric Environmental Health Specialty Unit (PEHSU) of the Association of Occupational and Environmental Clinics (AOEC). "BPA has been associated with increases in developmental disorders of the brain and nervous system in animals. These developmental disorders in animals are like problems such as ADHD (attention deficit hyper-reactivity disorder) in humans." PEHSU reports that "BPA may cause changes in cells in breasts, the uterus, and the prostate which can increase risk of cancers." The September 2008 report of NTP suggests that BPA exposure may be linked to prostate and brain cancer. The NTP report also says that BPA can cause behavioral problems in fetuses, infants and children. It can induce early onset of puberty in girls and can cause reproductive disorders. High BPA levels have been linked to increased risk for cardiovascular disease and diabetes. It comes as no surprise that these findings have generated a strong anti-BPA movement worldwide. To understand the controversy behind BPA, let's look at some of the events that have occurred in the last two years. March 2007. A class action lawsuit was filed against baby bottle manufacturers on behalf of Californian babies who may have been adversely affected by BPA. November 2007. Researchers from the University of Cincinnati published an article in Toxicology Letters (online edition) reporting that BPA is leaching out of the polycarbonate bottles popularly used as drinking bottles. This report led to Nalgene plastic bottles taken off the shelves in Canada. The Environmental Working Group (EWG) tested infant formulas for BPA and detected BPA in some of the most popular brands. When questioned, 4 out of the top 5 companies admitted using BPA in their packaging. January 2008. The National Center for Environmental Health of the Centers for Disease Control and Prevention (CDC) published a paper which reported that BPA was detected in the urine of 92.6% of 2,517 participants during the 2003-2004 National Health and Nutrition Examination Survey (NHNES). April 2008. Canada announced its plans to ban BPA-containing bottles. The US FDA established an agency-wide BPA task force to facilitate cross-agency review of current research and new information on BPA for all FDA regulated products. May 2008. In a health call, "leaders of the Committee on Energy and Commerce threatened to subpoena the Food and Drug Administration (FDA) for records the agency used in determining that the chemical bisphenol A (BPA) was safe for use in making infant formula liners and other products intended for infants and children", according to a report in the Journal of the American Medical Association (JAMA). July 2008. The European Food Safety Authority's AFC Panel declared that human exposure to BPA is too low to cause any real harm. According to the panel's report, the human body rapidly metabolises and eliminates BPA out of the body. September 3, 2008 The National Toxicology Program (NTP) issued a report on BPA, expressing the following concerns: - "some concern" for effects on the brain, behavior, and prostate gland in fetuses, infants, and children at current human exposures to BPA. - "minimal concern" for effects on the mammary gland and an earlier age for puberty for females, in fetuses, infants, and children at current human exposures to BPA. - "negligible concern" that exposure of pregnant women to BPA will result in fetal or neonatal mortality, birth defects, or reduced birth weight and growth in their offspring. - "negligible concern" that exposure to BPA will cause reproductive effects in non-occupationally exposed adults and "minimal concern" for workers exposed to higher levels - in occupational settings. "Some concern" represents a midpoint in a 5-point scale of concern, with "serious concern" as the highest and "negligible concern" as the lowest. September 2008. Researchers at the University of Exeter (UK) re-examined the previously mentioned NHNES BPA urine data. They found that high levels of BPA in the urine were associated with chronic diseases such as cardiovascular disorders, diabetes, and kidney problems. The BPA Subcommittee of the Science Board to the US FDA met on September 16, 2008 to discuss BPA assessment. October 2008. Two studies reported research results in mice exposed to BPA. One study reported that pregnant mice exposed to BPA suffered from altered the cellular structure of the breasts. A second study showed that female mice's exposure to low-dose BPA during fetal life or adulthood caused alterations in maternal behaviour. Researchers at University of Cincinnati report that BPA is linked to chemotherapy resistance. The study demonstrated that "BPA does not increase cancer cell proliferation like DES [cancer-promoting compound called diethylstilbestrol] does. It's actually acting by protecting existing cancer cells from dying in response to anti-cancer drugs, making chemotherapy significantly less effective." The Canadian government announced the drafting of regulations that will prohibit the import, sale and advertising of polycarbonate baby bottles that contain BPA. Based on a review by a subcommittee, the US Food and Drug Administration (US FDA) stated that "consumers should know that, based on all available evidence, the present consensus among regulatory agencies in the United States, Canada, Europe, and Japan is that current levels of exposure to BPA through food packaging do not pose an immediate health risk to the general population, including infants and babies." In addition, the US FDA thinks the Canadian restrictions on BPA are "out of an abundance of caution." January 2009. The US FDA and Health Canada's Health Products and Food Branch hosted a meeting of representatives of U.S and Canadian manufacturers and users of food packaging materials containing BPA. They discussed what is to be done to help minimize the levels of BPA in food. The meeting was also part of FDA's efforts to assist the manufacturing industry in its voluntary BPA reduction efforts. So what can we do to protect ourselves from BPA? Recommendations from PEHSU - Avoid plastics with symbol # 3 (PVC or polyvinyl), symbol # 6 (PS or polystyrene foam) and symbol #. Do not microwave food/beverages in plastic. Do not microwave or heat plastic cling wraps. Do not place plastics in the dishwasher. If using hard polycarbonate plastics (water bottles/baby bottles/sippy cups), do not use for warm/hot liquids. Use safe alternatives such as glass or polyethylene plastic (symbol #1). Avoid canned foods when possible (BPA may be used in can linings). Look for labels on products that say "phthalate-free" or "BPA-free". Recommendations from the Center for Science in the Public Interest (CSPI): Avoid plastic containers made of polycarbonate. Any bottle or container made of polycarbonate has the recycling No. 7 on the bottom. When possible, prepare or store food—especially hot foods and liquids—in glass, porcelain, or stainless steel dishes or containers. If you have polycarbonate plastic food containers, don't microwave them. The plastic is more likely to break down and release BPA when it's repeatedly heated to high temperatures. Don't wash polycarbonate plastic containers in the dishwasher. The detergent may break down the plastic, which could release BPA. Use infant formula bottles that are made of glass or BPA-free plastic. BornFree ( newbornfree.com ) is one of many companies that make them. When you can, replace canned foods with foods that are fresh, frozen, or packaged in aseptic (shelf-stable) boxes. At least one manufacturer—Eden Foods—lines its cans with a BPA alternative made from plant extracts. A good alternative to polycarbonate is polyethylene terephthalate (PETE), which has the recycling No. 1 on the bottom. Avoid older versions of Delton dental sealant...Most dental sealants are free of BPA. However, older Delton sealants contain a compound that breaks down into BPA, mostly during the first day after it comes into contact with saliva.

Article Source: http://www.articlesbase.com/home-and-family-articles/bpa-or-bisphenol-a-is-everywhere-are-we-safe-838424.html

About the Author:
The article BPA or Bisphenol A is Everywhere - Are We Safe? may be found in it's entirety with references and links on http://HealthWorldNet.com .

Resin Prices in Asia this week

Ethylene, LDPE, LLDPE up; HDPE, PS, ABS down

Take a look at resin prices at resin prices updates here

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With current turn of economy, loss of jobs and gold prices in the stars this is the time to cash in. With gold prices over 1100 usdollar per ounce now its going or already its gold rush.

Selling Gold for Money - Important Tips When Selling Gold for Money

Author: Frank Kerley

Selling gold for money has never been easier. There are numerous companies that are currently purchasing your unwanted gold items. Selling gold for money is great way to get some extra cash. Selling Gold for Money Due to the increase in the price of gold, individuals are taking advantage of selling gold for money. There are many reputable companies who buy gold items on a daily basis, and these types of companies can make the gold selling process easy. Once you gather your broken, unwanted or scrap gold items, you should separate them into groups based on the karats of gold contained in each piece. To find what type of gold you have, you should locate the stamp on the inside of a ring, the post of an earring, or the clasp of a necklace and bracelet. You will see a 10k, 14k, 18k, or 24k stamp. The purest form of gold will be marked with a 24k insignia and will bring in the most money when it is sold. Cash for Gold Complaints After you have located a business that you would like to use, you should visit the website of the Better Business Bureau (BBB). At this website, you will be able to search out the history of the business. You can see if that business is accredited by the BBB or if they have any complaints filed from previous customers. An accredited business means that the company has met the strict standards and guidelines set forth by the BBB in order for them to be included in their exclusive list. Once you have located the company you want to sell your items to, the company will need to evaluate your gold before providing you with a quote. The types of places that you can sell your gold to include pawn shops, jewelry stores and online gold buyers . Online Gold Buyers Physical locations tend to offer the lowest price for your gold and end up taking the most amount of time due to all of the driving that you have to do. An online gold buyer is the best option because they will give you the best price and a quick turnaround time. Anyone can get rid of their unwanted jewelry. Selling gold for money is an easy process that anyone can do to earn the extra cash they need.

Article Source: http://www.articlesbase.com/jewelry-articles/selling-gold-for-money-important-tips-when-selling-gold-for-money-1434567.html

About the Author:
Want to know where to easily sell gold jewelry for 3x's More Cash Profit ? Don't become a victim of the cash for gold scam. To read our shocking Consumer Reviews and watch a Special News Video visit www.SellGoldJewelryReports.com My friend, if you are seriously interested in selling gold, I urge you to visit this website before you do anything else.

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