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The Bronze Age Is Over
The long, hot days between the Summer Solstice and the Autumn Equinox are a time for garden work, vacations, pleasant evenings spent outside, and weekend fun. Here in the Northern Hemisphere, summer’s friendly weather yields only a few short months for us to enjoy the great outdoors. It is a delightful break from that long, cold period spent indoors under cover from rain, snow, and the cold.
Unfortunately, the opportunity to spend quality time outdoors brings with it the very real risk of over-exposure to the sun. It is far too easy to overdo your “solar experience”, especially, when your skin is lily white and you are not used to being outside.
Hence, the inevitable warning to use sunscreen and other protection when outdoors.
Summertime is frustrating for Dr. Beatrice Wang, director of McGill University’s Melanoma Clinic. Dr. Wong watches people slowly “bake” themselves to a crispy brown color and every day she sees patients looking for help with skin cancer, sun damage, premature wrinkles and uneven pigmentation.
“You just can’t beat it into the public mind that a tan is a sign of sun damage,” Warning Signs. “Or that it’s a sign your DNA has been affected, and that your skin is reacting to protect you by getting thicker and browner. We think of it as healthy-looking, but, ironically, a tan means wrinkling, brown spots, leathery skin and dilated blood vessels. The net outcome is you look a lot older than you really are.”
Dr. Beatrice Wang also comments, “regular sunscreen is already an anti-aging product, even with nothing else in it. You don’t really need anything else to protect your skin. Sunscreen protects; it’s that simple.”
Source: Canwest News Service Published: Thursday, July 02, 2009
UVB rays are usually blamed for cancer but recent studies have shown that there is also a clear link between UVA rays and the development of this disease. Furthermore, UVA rays penetrate deeper into the skin producing the premature aging associated with constant sunbathing; such as loss of elasticity, dry skin, skin sagging, pigment changes and deep wrinkles.
The US National Cancer Institute has the following comment on Ultra Violet (UV) Radiation:
“Ultraviolet radiation that reaches the Earth’s surface is made up of two types of rays, called UVA and UVB rays. UVB rays are more likely than UVA rays to cause sunburn, but UVA rays pass deeper into the skin. Scientists have long thought that UVB radiation can cause melanoma and other types of skin cancer. They now think that UVA radiation also may add to skin damage that can lead to skin cancer and cause premature aging. For this reason, skin specialists recommend that people use sunscreens that reflect, absorb, or scatter both kinds of ultraviolet radiation.”
Source: The US Cancer Institute Definition of Cancer Terms, www.cancer.gov
Old looking skin, wrinkles and liver spots would be virtually nonexistent without sun damage. The surface of the sun is twenty times hotter than a broiling oven and for some people all it takes is 10 minutes of exposure to ‘toast’ them more thoroughly than a wiener over a campfire. Overexposure to ultraviolet radiation, primarily UVB, causes this damage and, extended or repeated exposure, dramatically increases the risk of serious harm to skin cells. Eighty percent of skin aging is due to the environment and the Sun is the worst possible thing for aging the skin. With this in mind, it is very worrisome that people want to look tanned. Once they do that, the damage has already been done.
Generally, the amount of time it takes for exposed skin to burn is dependent on skin type. The American Academy of Dermatology lists six skin types. These classifications are based on sensitivity to ultraviolet light and skin tone.
Six Skin Types
- White Skin: Easily burns and hardly ever or never tans.
- Sensitive Light Skin: Burns more often than tans.
- Light Skin: Tans and burns equally.
- Light Dark Skin: Tans more than it burns.
- Darker Skin: Rarely burns and tans darkly.
- Dark Skin: Never burns and has dark, even tans.
In general, fair skin burns more quickly than darker skin. It is important to understand that, no matter what your skin type, there are simple ways to protect yourself from the Sun’s damaging rays. People with darker skin may not burn but, the Sun’s UV rays still damage and prematurely age their skin.
Tanning Beds/Ultra Violet Lighting
Ironically, the demand for and use of tanning facilities is strong during the summer months. Many individuals, especially young women, visit a tanning bed before showing their pale skin on the beach, at graduation ceremonies or weddings. There has always been controversy about their use but, this week, there are several important news items about the hazards of using tanning beds that, for scientists at least, the debate has ended. Cancer societies from around the globe are commenting on a study published in the British medical journal “Lancet Oncology” which concludes that there is no longer any doubt that sun lamps and tanning beds are carcinogenic.
The authors wrote in their special report: “A comprehensive meta-analysis concluded that the risk of skin melanoma is increased by 75 per cent when use of tanning devices starts before 30 years of age,” They also stated that they found consistent evidence of a positive association between the use of ultraviolet (UV) emitting tanning devices and cancer of the eye; ocular melanoma. This report expands on previous studies which found that young frequent users are up to eight times more likely to get melanoma than people who have never used a tanning bed.
As a result of the Lancet study, the International Agency for Research on Cancer (IARC) which is the World Health Organization’s (WHO) principal source for information about the disease, announced it has moved tanning devices up to its highest risk category for cancer to group 1: “carcinogenic to humans.” This is the same category as hepatitis B, arsenic, radium and tobacco smoke. Until this week, tanning beds were classified as “probably carcinogenic to humans,” or group 2A. Furthermore, they moved UV radiation as a whole into group 1 from group 2A. In Britain, the leading cancer diagnosed in women in their 20s now is melanoma; the deadliest type of skin cancer.
Sun Protection Tips
- If possible, plan your outdoor activities when UV rays are at their weakest; before 11 a.m. and after 4 p.m.
- Be aware that sand, concrete and water will reflect over 80 per cent of the sun’s UV rays and that you can be sunburned on a cloudy day. Clouds do reduce the amount of UV that reaches our skin, but it far from stops all the damaging rays.
- Seek out shade, stay under a tree or use an umbrella.
- Wear sunglasses with 100 per cent UV protection to protect your eyes.
- Check the daily UV index forecast and be aware that the higher the number, the stronger the sun’s rays.
- Wear a large-brimmed hat.
- Wear tight-knit, loose fitting clothes. Clothing will protect you from the sun’s harmful UV rays, but not all clothing is created equal. The color, tightness of the weave, the type of fiber and its weight all affect the protection they give. To test a fabric, simply hold it up to the light. If light passes through it, then it will not provide much protection since UV radiation will also penetrate the fabric and thus, strike your skin. Generally, loosely-woven, light-colored and lightweight fabrics do not offer much protection from the sun. High-luster polyesters and silk are highly protective because they reflect radiation.
- Many elderly believe that since they are old it does not matter how much sun they are exposed to anymore. It does make a difference and it is important for them to start or continue taking sun precautions. Even after age 60, a rich golden tan can ignite cancer-causing skin damage.
- Ultraviolet radiation also comes from sun lamps and tanning beds. It can damage the skin and cause melanoma and other types of skin cancer.
- Be very mindful of your children. Take extra care to ensure that they are properly and regularly protected.
Sunscreen
All sunscreen products have a label which states its Sun Protection Factor (SPF.) This represents the amount of time that the sunscreen protected skin can be exposed to UVB rays before burning starts in comparison to the length of time it takes to burn unprotected skin. In other words, SPF indicates how much longer you can be exposed to the sun before getting a sunburn. A sunscreen with an SPF of 15 will filter approximately ninety percent of the UVB. A person who would otherwise burn in 10 minutes would burn in 150 minutes using SPF 15. In other words, this sunscreen allows a person to stay out in the sun 15 times longer than if they did not have any protection on. The SPF varies depending on the nature of the sun blocking ingredients in the product. SPF refers only to protection against UVB so it is essential to choose a sunscreen product that will also protect you from UVA radiation.
- Use a high quality sunscreen that protects against both UVA and UVB rays and pick a sunscreen you can tolerate and use every day.
- Apply sunscreen to all exposed areas of your skin.
- Do not neglect your ears, chin and neck.
- Wear lip balm to protect your lips.
- Apply enough sunscreen. Most people use less than half of the recommended amount of sunscreen.
- Typically, the components in sunscreen have a short shelf life. Check the expiry date.
- Follow the instructions on the label of the product and be sure to use the recommended amount of sunscreen. If the product is not waterproof and you are sweating or swimming, be sure to reapply the sunscreen often to get the best protection.
There have been claims that the compounds in some sunscreens might have harmful effects. For example, zinc oxide and titanium oxide, which block ultraviolet rays, can create free radicals in the presence of sunlight. These claims are probably misleading as the compounds must penetrate skin cells in order to cause damage. Australia has the highest incidence of skin cancer in the world and the research done there by health officials indicate that this does not happen; “The weight of current evidence is that they remain on the surface of the skin and in the outer dead layer (stratum corneum) of the skin,” they wrote in one report. Their conclusion is that zinc oxide and other compounds in sunscreen do not damage cells or increase melanoma risk. Other researchers, looking for links between sunscreen and skin cancer, followed thousands of sun worshipers. They found no evidence of greater risk.
Vitamin D
Vitamin D is produced when skin is exposed to sunlight, specifically UVB radiation. Although sunscreens do not completely block the natural vitamin D production in the body, most North Americans are vitamin D deficient and should be taking supplements. It is a low-cost solution that provides a little sunshine and promises to prevent different forms of cancer, strengthen your bones, fight infections, as well as stave off multiple sclerosis and other autoimmune disorders.
Vitamin D’s major roles include:
- It regulates the calcium and phosphorus levels in the blood.
- It helps the re-absorption of calcium in the kidneys.
- It is essential in the development of a strong skeletal structure.
- It assists calcium in the control of innumerable processes in the bones, muscles, and glands.
- Vitamin D also helps the immune system and there is growing evidence that it boosts production of white blood cells that defend the body against the flu and other diseases.
- Vitamin D deficiency has been associated with:
- adrenal insufficiency
- increased cardiovascular risk
- Alzheimer’s Disease
- allergies
- autoimmune disorders including multiple sclerosis, rheumatoid arthritis, thyroiditis and Crohn’s Disease
- pregnancy risks such as pre-eclampsia
- cancers of the colon, breast, skin and prostate
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- depression, seasonal affective disorder (SAD)
- Diabetes, Type 1 and 2
- gluten intolerance, lectin intolerance
- heart disease, hypertension, Syndrome X
- infertility, sexual dysfunction
- learning and behavior disorders
- mis-aligned teeth and cavities
- myopia
- obesity
- osteopenia, osteoporosis, osteomalacia (adult rickets)
- Parkinson’s Disease
- P.M.S.
- psoriasis
- rickets
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As you can see Vitamin D plays an important role in the maintenance of almost every body function. The “Sunshine Vitamin” really does extend and improve people’s lives. It is inexpensive, safe, and easy to take. Remember that you need to keep a proper balance of small amounts of sun exposure and Vitamin D supplements to maintain appropriate levels of this vitamin while keeping the risks of skin damage and cancer to a bare minimum.
Once again, it is far too easy to overdo your summer sun experience, especially when you are not accustomed to being outside. Small periods of unprotected sun exposure are probably not harmful but, if you are exposed to the direct rays of the sun for a long time, please follow the suggestions above. They will ensure that you enjoy many future summers in good health.
It is alright to have fun and enjoy your outdoor life, but be safe.
If you need assistance, the Wolfe Clinic’s Natural Health Practitioners and knowledgeable product specialists are here to help you make the right choices. Your questions or concerns are promptly answered via email or telephone.
It is never too late to start living a healthy life.
Call The Wolfe Clinic today!
It is never too late to start living a healthy life. Call The Wolfe Clinic today!
Call The Wolfe Clinic Today!
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