"All the World's a Stage We Pass Through" R. Ayana

Showing posts with label sunscreens. Show all posts
Showing posts with label sunscreens. Show all posts

Monday, 29 August 2016

Avoiding the Sun's Rays is a Misinformed Trend Causing Global Rise in Cancers


Avoiding the Sun's Rays is a Misinformed Trend Causing Global Rise in Cancers




 

A causative link between the sun and cancer does not exist and never has. The cancer and sunscreen industries have made it their mission to convince the world that sunlight is a primary cause of skin cancer, when in fact it has been shown to prevent it and many other forms of cancer.

It is a common sight these days to come across girls riding their two-wheelers and scooties, all covered up to avoid the sun's rays on their person.

They even wrap a stole around their faces, such that not an inch of their face is seen, and wear gloves to keep the sun away from their skin.

Experts say that despite living in a tropical climate, it is unfortunate that many don't expose themselves to the sun to get the RDA (recommended daily allowance) of vitamin D.

According to nutritionist Dharini Krishnan we don't expose ourselves enough to the sun.

"We sleep in air-conditioned bedrooms, commute in air-conditioned cars and work in air-conditioned offices. Even those who travel by bikes cover themselves from head to toe. We don't want to expose ourselves to sunlight even for a few minutes.

"This results in vitamin D deficiency as sunlight is the only major source of vitamin D. All we need to do is stand under the sun for 15 minutes at least three times a week.

"Our lifestyle is lethargic and we depend a lot on air-conditioners. It is good to get exposed to the sun from 10am to 4pm to get the needed vitamin D for our body."


Sunlight DOES NOT Cause Skin Cancer - 
It's Your Best Defense Against Cancer



 

Exposure to ultraviolet B radiation in sunlight provides the mechanism for more than 90% of the vitamin D production in most individuals.

The widespread use of sunscreens, particularly those with high sun protection factors (SPF), may lead to a significant decrease in solar-induced previtamin D3 in the skin, resulting in a vitamin D level which is insufficient for protection against a wide range of diseases.

There are well over 800 references in the medical literature showing vitamin D's effectiveness both — for the prevention and treatment of cancer.

The results, published in the American Journal of Epidemiology, showed that women who had at least 21 hours a week exposure to the sun’s UV rays in their teens were 29 percent less likely to get cancer than those getting under an hour a day.

For women who spent the most time out side in their forties and fifties, the risk fell by 26 percent and for those above 60, sunshine halved their chances of a tumour.

Exposure to sunlight and ultraviolet light has been repeatedly shown to NOT be the cause of skin cancer.

Scientists from The University of Texas MD Anderson Cancer Center reported UVA exposure is unlikely to have contributed to the rise in the incidence of melanoma over the past 30 years.

For melanoma, it is only latitudinal variation that favours the hypothesis of sun exposure causation. It is postulated that skin temperature by itself may suffice to account for the observed variation of melanoma with latitude.

The higher incidence of melanoma in the higher social classes and its increasing incidence with age may be readily explained by the hypothesis that melanoma incidence increases with increase in skin temperature which scientists have incorrectly linked to the sun as the primary causative factor.

No scientific literature has ever proven that sunlight causes cancer in human beings. Most studies that have attempted to find a cause have only found correlations and many scientists have established the the toxicity level of the human body which reacts with the UV spectrum is what causes cancer, not the sunlight itself.

It's been known that vitamin D can prevent the genetic damage the leads to cancer. When vitamin D binds to specific receptors, it sets off a chain of events by which many toxic agents including cancer cells are rendered harmless.

However, if there is not enough vitamin D the system can become overwhelmed and cancer can develop.

"This is one of the reasons that people living closest to the equator have a much lower incidence (or absence) of specific cancers which consequently increase in locations further from the equator," said McGill professor Dr. John White.

Dr. Anthony Petaku who studies the effects of Vitamin D2 and D3 on mutating cells, says the incidence of disease increases the further away we are from the equator.

"The millions of people who live near the equator are not susceptible to the same level of disease or even the same diseases as those who live further from the equator," he stated.

Dr. Petaku has found that latitude studies which are observational on vitamin D and disease show a clear correlation between solar UV radiation, latitude and vitamin D status.

"Almost every disease decreases in frequency and duration as we move towards equatorial populations, and the data shows that there is a minimum of a 1000 percent increase for many diseases in countries furthest from the equator..." he concluded.

Although vitamin D can be obtained from limited dietary sources and directly from exposure to the sun during the spring and summer months, the combination of poor dietary intake and sun avoidance has created vitamin D deficiency or insufficiency in large proportions of many populations worldwide.

It is known that vitamin D has a wide range of physiological effects and that correlations exist between insufficient amounts of vitamin D and an increased incidence of a number of cancers.

These correlations are particularly strong for cancers of the digestive tract, including colon cancer, and certain forms of leukemia.

Both UVA and UVB can cause tanning and burning, although UVB does so far more rapidly. UVA, however, penetrates your skin more deeply than UVB.

UVB appears to be protective against melanoma — or rather, the vitamin D your body produces in response to UVB radiation is protective.

As written in The Lancet:

"Paradoxically, outdoor workers have a decreased risk of melanoma compared with indoor workers, suggesting that chronic sunlight exposure can have a protective effect."

More than three-fourths of people with a variety of cancers have low levels of vitamin D, and the lowest levels are associated with more advanced cancers.

People with levels below 24 ng/mL were nearly three times more likely to have stage III cancer than those with higher vitamin D levels.

Criteria for different stages differ by type of cancer. But in general, stage III indicates more extensive disease than lower stages: larger tumor size and/or spread of the cancer beyond the organ in which it first developed to nearby lymph nodes and/or adjacent organs.


The Best Source of Vitamin D


Researchers have also discovered specific molecular signaling events by which vitamin D prevents inflammation.

In their experiments, they showed that low levels of Vitamin D, comparable to levels found in millions of people, failed to inhibit the inflammatory cascade — a series of rapid biochemical events which propagates and matures the inflammatory response.

However, levels considered adequate did inhibit inflammatory signaling. They reported their results in the March 1, 2011, issue of The Journal of Immunology.

In the absence of Vitamin D from sunlight, disease increases more than 1000 percent. Experts suggest that the chances of getting vitamin D from your diet are very low.

And if you are a vegetarian, it is all the more difficult to gain vitamin D. What they repeatedly suggest is exposure to sunlight is the best source of vitamin D.

"Besides milk products and mushrooms, a vegetarian diet does not contain much of vitamin D. Make sure to include ghee, butter and paneer," says Dr Tusna Park, author of A New Way To Eat.

She adds:

"Nothing can be better than the sunlight. So make sure to spend 20 minutes in the sun every day, any time between 8am and 4pm, without the application of sunscreen lotion. We can apply some coconut oil (which is mixed with water) to the exposed body parts.

"Keep windows open so that sunlight enters your house; walk in the sun every day, if possible; sit in an open balcony or on the terrace for 20 minutes every day so that you can receive adequate sunlight."

Lack of vitamin D may cause some serious bone-related health issues.

Nutritionist Divya Sathyaraj says:

"Prolonged deficiency of vitamin D may cause rickets. The growth and maintenance of bones depend on the intake of vitamin D. Lack of vitamin D may lead to tooth decay, brittle bones, retarded growth and poor bone formation in children, muscular weakness and premature ageing.

"Severe deficiency could also cause improper activity of the parathyroid gland and result in convulsions. Unfortunately, food cannot replace the sun and doesn't give us enough vitamin D. However, vitamin D is present in small amounts in fish oils, ghee, eggs and butter.

"As vitamin D is produced from a substance beneath the skin, when sunlight falls on the surface of the body we must expose ourselves to sunlight every day."

Van der Rhee H, Coebergh JW, de Vries E. Sunlight, vitamin D and the prevention of cancer: a systematic review of epidemiological studies.

Eur J Cancer Prev. 2009 Nov;18(6):458-75 concluded that while vitamin D levels/supplementation was only consistently associated with a decrease in colon cancer, sun exposure was consistently associated with a decrease in all four cancer types including four cancer types: breast, colon, prostate and lymphoma.

Sunlight and latitude studies: 77.1% show significant correlation
Vitamin D level studies: 63.4% show significant correlation
Diet or supplementation studies: 47.4% show significant correlation

Vitamin D supplementation will clearly never match natural sunlight and it's time researchers and scientists started taking a more serious approach to large populations studies on UV exposure and vitamin D status so the world can better ascertain the true effect of the sun versus supplementation.






For information about sunscreens see http://nexusilluminati.blogspot.com/search/label/sunscreen
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Thursday, 14 November 2013

Undeniable Evidence Links Popular Sunscreens to Cancer

Undeniable Evidence Links Popular Sunscreens to Cancer
How Ironic?

 http://upload.wikimedia.org/wikipedia/commons/b/b9/Sunbaker_maxdupain_nga76.54.jpg


Cancer rates are increasingly on the rise as we continue to surround ourselves with an extremely toxic environment. Everything from GMOs to pesticides and cosmetics, our world is full of cancer causing agents that are now being exposed. People are beginning to wake up and take back control of their own health. Researching and actually looking into things rather than blindly believing mass marketing and media seems to be the new trend.

It’s ironic how people combat potential dangers from long term Sun exposure by rubbing several known toxic chemicals all over their bodies. Skin cancer used to be rare, but today one in every five Americans develop skin cancer; that’s around 3.5 million people diagnosed every year, and the incidence of melanoma has increased over 1000% in the last 20 + years. All of this comes with the increased use of sunscreen and the mass marketing of sunscreen coupled with the mass fear that seems to plague the planet with regards to sun exposure.

There is already sufficient evidence which suggests that sunscreen use promotes the spread of cancer, rather than preventing it. Personally, I have never used sunscreen in my life. For most of my childhood up to my late teens, I was in the Sun for a minimum of 6 hours a day almost every day of the week. I admit I might have a bias because of my experience with the sun but nonetheless, personal experience is personal proof. Considering the Sun provides life to our planet, it is only natural to assume that there is nothing to fear in regards to sun exposure.

Multiple studies from across the world have examined sunscreen, its contents and what happens with regards to penetration and absorption after applying it to your skin. One example comes out of the faculty of Pharmacy at the University of Manitoba, Canada (0). The purpose of the study was to develop a method for quantifying common sunscreen agents. Results demonstrated a significant penetration of all sunscreen agents into the skin. Basically, all of these chemicals are entering multiple tissues within the body. This is something that cannot be denied. So what are some of the main toxic chemicals contained in top name brand sunscreens? Before we go into that, I wanted to share this video with you.


Below I will provide evidence for only TWO ingredients in popular name brand sunscreen. Please keep in mind that there are a myriad of chemicals contained within popular sunscreens, and a majority of them (just like the ones I have outlined) have studies which link them to harmful effects on human health and cancer. I wanted to keep this article shorter, but I encourage you to further your own research on the matter.


Oxybenzone

Oxybenzone is contained in multiple top brand sunscreen products
. It’s used as a UV-B and short-wave UV-A filter and has been available for over 40 years. The Centers for Disease Control and Prevention estimates a prevalence of 96.8 percent oxybenzone exposure in the general US population.

A study published in the Journal of Investigative Dermatology (1) determined that the substance could be harmful to the homeostasis of the epidermis. Another study done by the Department of Clinical and Experimental Endocrinology at the University of Goettingen (2) observed regulatory effects on receptor expression for oxybenzone that indicate endocrine disruption (hormone disruption).


A study out of the Institute of Pharmacology and Toxicology from the University of Zurich determined that oxybenzone, which blocks ultraviolet light, may mimic the effects of estrogen in the body and promotes the growth of cancer cells (5).

A study out of the Queensland Cancer Fund Laboratories at the Queensland Institute of Medical Research in Australia recognized the significance of systemic absorption of sunscreens prompted by multiple studies. Researchers discovered that oxybenzone inhibited cell growth and DNA synthesis and retarded cycle progression in the first of the four phases of the cell cycle(3). This takes place during eukaryotic cell division, a very significant step that leads to the synthesizing of mRNA and proteins in preparation for the steps leading towards mitosis. They determined that sunscreen causes mitochondrial stress and changes in drug uptake in certain cell lines.

A study published in the Journal of Health Science by the National Institute of Health Sciences in Japan examined UV stabilizers used in food packages as plastic additives (4). They found that some UV stabilizers in sunscreen products have estrogenicity in an MCF-7 breast cancer cell assay as well as an immature rat uterotrophic assay. They tested a total of 11 UV stabilizers. 20 kinds of benzophenones were tested using the same assay to demonstrate their estrogenic activity.

A study published by the Department of Chemistry at the University of California determined that oxybenzone produces excess reactive oxygen species that can interfere with cellular signaling, cause mutations, lead to cell death (as illustrated in an earlier study presented in this article) and may be implicated in cardiovascular disease(6).

Another study out of the Institute of Pharmacology and Toxicology at the University of Zurich shows a large array of developmental and reproductive toxicity (7).

A study published by the Department of Biological Systems Engineering by the University of Nebraska – Lincoln looked at how commercial sunscreens are penetration enhancers. They determined that the active ingredients within sunscreen, including oxybenzone enhance dermal penetration of the herbicides (8). This study came about because of the fact that agricultural workers are often encouraged to use sunscreen to decrease the risk of UV-related skin cancer.

The list goes on and on, and the studies seem to be never ending. There is sufficient evidence to indicate that oxybenzone is a hormone disruptor, and it clearly penetrates deeply into this skin. Like many other skin care products, there is a lot of controversy around this. The fact that major financial institutions who own the pharmaceutical and medical industry produce these sunscreens poses further suspicions.


Titanium Dioxide

Titanium Dioxide is another common ingredient within sunscreen
, predominately baby sunscreen (9). As illustrated earlier in the article, what goes on your skin goes into your skin. Specifically with titanium dioxide, studies have shown that large concentrations are absorbed into the epidermis and dermis (12). Particularly with sunscreen, researchers have conducted experiments that show chemicals contained within sunscreen penetrate the skin at a high percentage. Do you really want something like titanium dioxide inside of your body? How about inside your baby? Titanium dioxide was recently classified as being possibly carcinogenic to humans by the Canadian Center for Occupational Health and Safety (10). Titanium dioxide also meets the classifications of a carcinogen by the National Office of WHMIS.

The normal titanium levels in the blood of males between 24 to 66 years of age were found to be 11.2 micrograms. This obviously increases with sunscreen usage. A study out of Germany determined that oral administration of this chemical results in gastro-intestinal absorption. (11).

Oral administration of titanium dioxide nano-particles caused a wide distribution in the liver, spleen and kidneys as well as causing lung tissue and heart tissue injury during an animal study done by the National Centre for NanoScience (13). Another study done by the National Institute of Health in Portugal found that the carcinogenic effects of titanium dioxide nano-particles induce tumour-like phenotypes in human gastric epithelial cells (14).

A 2009 study conducted by the VaxDesign Corporation illustrated that titanium dioxide provoked inflammation of an in vitro human immune construct (15). Another study done by the Department of Biochemistry and Molecular Biology by Yamagata University in Japan found that titanium dioxide converted benign mouse fibrosarcoma cells into aggressive tumour cells (16).

A study conducted by the Finish Institute of Occupational Health in Helsinki, Finland illustrated that titanium dioxide has genotoxic effects (17), and that it also induces DNA damage and reduced cell viability. Another study out of Taiwan determined that titanium dioxide can induce oxidative damage to human bronchial epithelial cells (18).

I’m going to stop here with titanium dioxide; there are many more studies but I hope I’ve clearly shown that it can definitely pose a risk to our health. It’s evident that people should be more aware of what chemicals are in the sunscreens that they are applying on their bodies.


Other Chemicals

There are a large assortment of other chemicals within many popular name brand sunscreens
of which the story is no different. Multiple studies are available for a majority of chemicals contained within name brand sunscreens that can have harmful effects on human health. The fact that multiple studies indicate a majority of chemicals enter into the body should encourage people to further investigate what they do to it. Most people don’t realize that applying cosmetics is almost the same as eating it, either way they still get into your body and into your bloodstream through the skin. This article outlines only two of the main ingredients found in popular sunscreen brands; I encourage you to seek out alternative ways to protect your skin from sun burn. If you are interested in the other chemicals within sunscreen, there are many studies which provide information on the matter.

Cell toxicity studies done by Dr. Yinfa Ma, Curator Professor of Chemistry at Missouri S&T, and his graduate student, Qingbo Yang, suggest that when exposed to sunlight zinc oxide (a common ingredient in sunscreen) undergoes a chemical reaction that may release unstable molecules known as free radicals. Free radicals seek to bond with other molecules, but in the process, they can damage cells or the DNA contained within those cells. This in turn could increase the risk of skin cancer (22).


The Sun is Good For You? What About Sun Burns? Concluding Remarks

As many of you probably already know, humans require sunlight exposure for vitamin D
. Sunburns do indeed cause a concern, and there are many studies that link sun burns to melanoma. Due to different factors such as cultural changes and fear mongering our skin is not used to large amounts of sun exposure like it was in the past. If you spend a large portion of your time in the sun, your skin adapts to build a natural immunity. We are naturally built to receive sunlight, and we have gone backwards with this regard. There are alternative ways to protect yourself from sunburns. You can buy natural sunscreens without the harmful chemicals. Questioning big name advertisements is crucial to our health in these times of information awareness.

The depletion of the ozone layer only happens seasonally, in winter and spring. We are generally not out in the sun at this time, and do not usually apply sunscreen. Depletion is also heavier over Antarctica and the Arctic as well as the equator, yet cancer rates are not higher in those geographic regions (19). There are people who get melanoma who are less exposed to the sun than others. Research also shows that incidence of melanoma increases in people who are not exposed to the sun. The lack of vitamin D has a strong correlation to melanoma instances.

Only 10 percent of all cancer cases are attributed to all forms of radiation, and UV is a very small part of that (20). When we think of skin cancer we automatically want to blame the Sun, but what about other causes of skin cancer that are out there such as arsenic which is found in a number of things we ingest or work around (21). Not to mention pesticides, leather preservatives and glass.

Sunscreens are a huge contributor to toxins in the body, being absorbed within seconds of application. Is it not important to know what you are putting into your body? We now live in a culture where we fear the Sun, which is ironic considering the Sun has created all life on Earth. Its important to remember that fear eventually manifests as reality. The Sun has many health benefits so using natural products will ensure that you receive these benefits while keeping your skin safe, ensuring that you aren’t absorbing the dangerous chemicals found in most sunscreens today.



Article sources:

From Collective Evolution @ http://www.collective-evolution.com/2013/10/23/undeniable-evidence-links-popular-sunscreens-to-cancer-how-ironic/


For more information about the carcinogens you encounter ever day in this toxic ‘civilisation’ see http://nexusilluminati.blogspot.com/search/label/carcinogen and http://nexusilluminati.blogspot.com/search/label/toxic%20chemicals
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