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Quotes about Uv Radiation from the world's top natural health / natural living authors

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"The amount of uv radiation reaching the surface is primarily related to the elevation of the sun in the sky, the amount of ozone in the stratosphere, and the amount of clouds present. The UV index can range from 0 (nighttime) to 15 or 16 (in the tropics at high elevations under clear skies). uv radiation is greatest when the sun is highest in the sky and rapidly decreases as the sun approaches the horizon. The higher the UV index, the greater the dose rate of skin-damaging (and eye-damaging) uv radiation. Consequently, the higher the UV index, the less time it takes before skin damage occurs." - James Dowd and Diane Stafford, The Vitamin D Cure (Get the book.)

"The thinning of the ozone layer leaves kids today more vulnerable than ever to uv radiation. The Environmental Protection Agency has developed an educational program (available on the Web at www.epa.gov/sunwise) to teach kids about how to protect themselves from harmful uv radiation. The EPA SunWise program also lists these common-sense "action steps" kids (and their parents) can take to minimize exposure: • Stay out of the sun in the middle of the day. The sun's rays are strongest between the hours of 10:00 a.m. and 4:00 p.m." - Deirdre Imus, Growing Up Green: Baby and Child Care: Volume 2 in the Bestselling Green This! Series (Green This!) (Get the book.)

"The UV index can range from 0 (nighttime) to 15 or 16 (in the tropics at high elevations under clear skies). uv radiation is greatest when the sun is highest in the sky and rapidly decreases as the sun approaches the horizon. The higher the UV index, the greater the dose rate of skin-damaging (and eye-damaging) uv radiation. Consequently, the higher the UV index, the less time it takes before skin damage occurs. The UV index is not solely a measure of UVB light, but UVB plays the largest role in calculating the UV index." - James Dowd and Diane Stafford, The Vitamin D Cure (Get the book.) "Here's how the National Oceanic and Atmospheric Administration (NOAA) explains the UV index: The annual UV index is a graphical report of the amount of skin-damaging uv radiation expected to reach the earth's surface at the time when the sun is highest in the sky (solar noon). The amount of uv radiation reaching the surface is primarily related to the elevation of the sun in the sky, the amount of ozone in the stratosphere, and the amount of clouds present. The UV index can range from 0 (nighttime) to 15 or 16 (in the tropics at high elevations under clear skies)." - James Dowd and Diane Stafford, The Vitamin D Cure (Get the book.)

"UV radiation. The EPA SunWise program also lists these common-sense "action steps" kids (and their parents) can take to minimize exposure: • Stay out of the sun in the middle of the day. The sun's rays are strongest between the hours of 10:00 a.m. and 4:00 p.m. If you are outside during those hours, retire to the shade for as long as you can. • Always wear a wide-brimmed hat when outdoors for an extended period of time. • Choose sunglasses that protect from uv radiation to prevent eye damage. • Avoid sunlamps and tanning parlors. • Wear long sleeves." - Deirdre Imus, Growing Up Green: Baby and Child Care: Volume 2 in the Bestselling Green This! Series (Green This!) (Get the book.)

"Less well-known and probably more ancient functions of flavonoids include protection against the detrimental effects of UV radiation; mediation of interactions between pollen and stigma; defense against bacteria, pathogenic fungi, and herbivores; mediation of interactions between plants and mutualistic mycorhizzal fungi; and regulators of hormonal activity. Because recent, thorough reviews of these functions are available elsewhere (Koes et al, 1994; Shirley, 1996), they will not be discussed in detail here." - Erich Grotewold, The Science of Flavonoids (Get the book.) "Activation of this control system is induced by uv radiation (van Tunen et al., 1988; Kubasek et al., 1992; Pelletier et al, 1997), exactly what would be expected if flavonoids evolved originally to provide photoprotection as plants moved onto land. Under this scenario, a second regulatory control system would have been added as additional enzymes were incorporated into the flavonoid pathway, giving rise to the coordinated control over the "late" genes." - Erich Grotewold, The Science of Flavonoids (Get the book.) "One suggests that flavonoids evolved as an effective sunscreen protecting against uv radiation as plants began colonizing land (Markham, 1988; Koes et al. 1994; Shirley 1996). Supporting this suggestion are the observations that even simple flavonoids such as chalcones, aurones, and flavanones absorb UV wavelengths strongly, and that flavonoid knockout mutants often are extremely susceptible to UV damage (Li et al., 1993; Lois and Buchanan, 1994). By contrast, Stafford (1991) has argued that the first function of flavonoids was to regulate or chaperone plant hormones." - Erich Grotewold, The Science of Flavonoids (Get the book.) "Regulation of Flavonol Biosynthesis Flavonols play important functions in plants, serving as co-pigments (Forkmann, 1991), as shields from uv radiation (Kootstra, 1994; Ryan et al., 2001) and contributing to male fertility by facilitating pollen germination (Mo et al., 1992; Taylor and Grotewold, 2005; Ylstra et al., 1992). Flavonol formation requires the expression of CHS, CHI, F3H, and FLS, this last gene encoding flavonol synthase, which converts dihydrokaempferol (DHK) or dihydroquercetin (DHQ) to the corresponding flavonols, kaempferol (K) and quercetin (Q), respectively." - Erich Grotewold, The Science of Flavonoids (Get the book.)

"Some dermatologists have advocated for no sun exposure [51]; however, the World Health organization (WHO) Report [56] on solar uv radiation indicates that it is not appropriate to strive for zero sun exposure as this would create a huge burden of skeletal disease from vitamin D deficiency. However, it is important to avoid excess exposure because this has been linked with skin cancers and skin photoaging [51]. A rational scheme to achieve skin synthesis of cholecalciferol without significant risk of overexposure has been published [8]." - Ann M. Coulston and Carol J. Boushey, Nutrition in the Prevention and Treatment of Disease (Get the book.)

"The higher the UV index, the greater the dose rate of skin-damaging (and eye-damaging) uv radiation. Consequently, the higher the UV index, the less time it takes before skin damage occurs. The UV index is not solely a measure of UVB light, but UVB plays the largest role in calculating the UV index. And because the UV index is available in real time throughout the year, it's a useful tool for estimating your capacity to make vitamin D. To make any vitamin D, you need a UV index of about 3 or greater." - James Dowd and Diane Stafford, The Vitamin D Cure (Get the book.)

"Choose sunglasses that protect from uv radiation to prevent eye damage. • Avoid sunlamps and tanning parlors. • Wear long sleeves. Loose-fitting clothing of tightly knit fabrics provides some sun protection. • Always, always wear a broad-spectrum sunblock with a sun protection factor (SPF) of 15 or greater. When exercising, swimming, or outdoors for an extended period of time, reapply frequently, at least every two hours." - Deirdre Imus, Growing Up Green: Baby and Child Care: Volume 2 in the Bestselling Green This! Series (Green This!) (Get the book.)

"The fact is that those who reside at high altitudes or near the equator where uv radiation is the most concentrated are virtually free of all cancers, not just skin cancers! This shows that uv radiation does not cause cancer; in fact, it can even prevent it. The human body has a unique ability to become accustomed to all kinds of variations in the environment. It is equipped with perfect self-regulating mechanisms that protect it against damage from the natural elements. Overexposure to swimming in the sea or in a lake can lead to extensive skin swelling, shivering, and circulatory problems." - Andreas Moritz, Timeless Secrets of Health & Rejuvenation: Unleash The Natural Healing Power That Lies Dormant Within You (Get the book.)

"In a 2005 trial of green tea extracts published in the journal Derrnatologic Surgery, it was revealed that topical and oral formulations of green tea polyphenols can prevent or modify skin damage caused by uv radiation exposure. Forty women with moderate photoaging of the skin were randomly assigned to either a placebo group, where they drank a harmless but inactive potion, or a group that followed a regimen of 10 percent green tea cream and 300mg twice-daily green tea oral supplements. The clinical trial lasted for eight weeks." - Samuel S. Epstein, Randall Fitzgerald, Toxic Beauty: How Cosmetics and Personal Care Products Endanger Your Health . . . And What You Can Do about It (Get the book.)

"One of the most important reasons is that uv radiation is necessary for normal cell division. A lack of sunlight disrupts normal cell growth, which can lead to cancer. The wearing of sunglasses, including regular UV-reflecting spectacles and contact lenses, is largely responsible for certain degenerative eye diseases, such as macular degeneration. Most people who use sunglasses on a regular basis report continuously weakening eyesight. Depriving your eyes of adequate exposure to ultraviolet light can have serious consequences for your skin and even risk you life." - Andreas Moritz, Cancer Is Not A Disease - It's A Survival Mechanism (Get the book.)

"IU Carotenoids are phytonutrients that protect plants from damage caused by uv radiation and othet environmental factors. In humans, they have been shown to inhibit the proliferation of various types of cancer cells such as those affecting the lungs, stomach, cervix, breast, bladder, and mouth. They also have been proven to protect against atherosclerosis, cataracts, macular degeneration, and other major degenerative disorders. The key carotenoids ate beta carotene, alpha carotene, lycopene, and zeaxanthin." - Jon Barron, Lessons from The Miracle Doctors: A Step-by-Step Guide to Optimum Health and Relief from Catastrophic Illness (Get the book.)

"This new generation of ingredients mined from nature may actually protect body cells from uv radiation damage rather than just blocking or absorbing the rays as conventional sunblocks and sunscreens do. Some examples of this welcome trend: Broccoli extract contains a chemical called sulforaphane that may reduce UV damage by up to 37.7 percent, based on findings from a study in 2007 conducted at the Johns Hopkins University School of Medicine. This chemical stimulates the cell's own protective mechanisms to inhibit the activation of carcinogens and to suppress inflammatory responses." - Samuel S. Epstein, Randall Fitzgerald, Toxic Beauty: How Cosmetics and Personal Care Products Endanger Your Health . . . And What You Can Do about It (Get the book.) "Scientists at Israeli Biotechnology Research, a private company that investigates natural non-toxic ingredients for cosmetics, released experimental results in 2007 showing how the carotenoids phytoene and phytofluene provide double protection against uv radiation by limiting free radical damage and absorbing the more damaging rays. Carotenoids are a class of 600 or so natural fat-soluble pigments found primarily in plants. The most publicized is carotene, from carrots. Risks of melanoma can be reduced, to a limited degree, by the addition of vitamin E to sunscreens." - Samuel S. Epstein, Randall Fitzgerald, Toxic Beauty: How Cosmetics and Personal Care Products Endanger Your Health . . . And What You Can Do about It (Get the book.) "The reduced skin cancer risk is due to the fact that dark skin contains much higher levels of the natural black pigment melanin, which is very effective in blocking long-wave uv radiation. A study published in a 1992 issue of the American Journal of Public Health, provocatively titled "Could sunscreens increase melanoma risk?", first introduced this idea into public debate." - Samuel S. Epstein, Randall Fitzgerald, Toxic Beauty: How Cosmetics and Personal Care Products Endanger Your Health . . . And What You Can Do about It (Get the book.)

"Side effects The furanocoumarins present in angelica root sensitize the skin to light, and exposure to uv radiation can lead to inflammation of the skin. During the treatment period with angelica root or preparations thereof, prolonged sunbathing and exposure to intense uv radiation should be avoided. Interactions with other drugs None known. Dosage Unless otherwise prescribed: daily dosage, 4.5 g of dried root or 1.5—3 g fluidextract (1:1) or 1.5 g tincture (1:5); corresponding preparations. 10—20 drops of essential oil." - Josef A. Brinckmann and Michael P. Lindenmaier, Herbal Drugs and Phytopharmaceuticals: A Handbook for Practice on a Scientific Basis (Get the book.)

"To increase awareness of the damaging potential of uv radiation, the U.S. Environmental Protection Agency and the National Weather Service have developed a UV index for use in weather reports to help individuals evaluate the level of danger from sun exposure on any given day. Following are the risk levels associated with exposure to UV rays as given in the index numbers: • 0-2: Minimal risk. • 3^4: Low risk. • 5-6: Moderate risk. • 7-8 High risk. • 9-10 or higher: Very high risk. Q If you have a family history of melanoma, avoid the sun as much as possible and use a sunblock every day." - Phyllis A. Balch, CNC, Prescription for Nutritional Healing, 4th Edition: A Practical A-to-Z Reference to Drug-Free Remedies Using Vitamins, Minerals, Herbs & Food Supplements (Get the book.) "Halogen lights also emit uv radiation. The National Foundation for Cancer Research advises maintaining a distance of at least twenty inches from a 20-watt halogen bulb and three to six feet from 35- to 50-watt bulbs. Considerations Q Skin cancer often originates in moles, but moles are not necessarily a cancer risk. They are extremely common (most people have them), and the overwhelming majority of them do not become cancerous. Q Medical treatment for skin cancer often involves surgery." - Phyllis A. Balch, CNC, Prescription for Nutritional Healing, 4th Edition: A Practical A-to-Z Reference to Drug-Free Remedies Using Vitamins, Minerals, Herbs & Food Supplements (Get the book.)

"The cornea bends, or refracts, the remaining.) uv radiation can cause oxidative stress, which damages vision by clouding our lens and burning through the delicate film and cells of our retina. Prime example: Portland, Oregon, gets a little more than half as much sunlight as Atlanta, and Atlanta eyes have more damage. The mass of the lens actually triples from the age of twenty to the age of seventy, which you'd think would be a good thing. But it's not. That thicker lens causes us to become more nearsighted (not being able to see far)." - Mehmet C. Oz., M.D. and Michael F. Roizen, M.D., You: Staying Young: The Owner's Manual for Extending Your Warranty (Get the book.) "Smoking or high blood pressure cuts off blood vessels that feed the retina (the nerve tissue that converts signals to the brain) and carry vitamins and antioxidants to the back of the eye to repair damage caused by the Major Ager of uv radiation. While genetics do play a role—those with light-colored irises and high blood pressure and low HDL cholesterol are most at risk—lifestyle choices that keep your arteries young will reduce your chances of developing macular degeneration." - Mehmet C. Oz., M.D. and Michael F. Roizen, M.D., You: Staying Young: The Owner's Manual for Extending Your Warranty (Get the book.) "Some act as outside stressors that wear us down (think uv radiation and toxins). Others age us because they fritz out along the way and are no longer able to defend us (a weakened immune system) or repair us if we're damaged (a slow- The secret of living to one hundred? Maybe it has nothing to do with fiber, aspirin, or telomere length and everything to do with American Idol. Researchers have found that one-third of centenarians watch reality TV shows (gives new meaning to Survivor, eh?), a quarter watch MTV or music videos, and some may have even surfed the Web and used an iPod." - Mehmet C. Oz., M.D. and Michael F. Roizen, M.D., You: Staying Young: The Owner's Manual for Extending Your Warranty (Get the book.)

"Three studies also showed L-ergothioneine to be a protector of environmental uv radiation damage. Though shiitake and maitake have much more of it, even our friend the lowly white button mushroom has many times more L-ergothioneine than wheat germ and chicken liver, the other two sources of this incredible antioxidant. Okra For generations, okra has been a staple of traditional Southern cooking. This nutritious green vegetable arrived in the United States in the mid-1600s and became an important part of the colonial diet." - Jonny Bowden, Ph.D., C.N.S., The 150 Healthiest Foods on Earth: The Surprising, Unbiased Truth About What You Should Eat and Why (Get the book.)

"Increased skin cancers and other related problems caused by an increased level of uv radiation at the earth's surface have been the result. In addition, the reduction in the ozone layer has lowered the temperature of the stratosphere, and the temperature differential between it and the troposphere (the layer closest to the ground) has caused an increase in both stratospheric and surface wind speeds, and has the potential for altering the climate." - Phyllis A. Balch, CNC, Prescription for Nutritional Healing, 4th Edition: A Practical A-to-Z Reference to Drug-Free Remedies Using Vitamins, Minerals, Herbs & Food Supplements (Get the book.)

"One of the most important reasons is that uv radiation is necessary for normal cell division. A lack of UV light disturbs normal cell growth, which can lead to cancer, as confirmed by Dr. Shaw's research. The use of sunglasses, including regular UV reflecting spectacles and contact lenses, are co-responsible for certain degenerative eye diseases, such as macular degeneration. Most people who use sunglasses report continuously weakening eyesight. The solution is to this problem is simple: Stop wearing them. You will soon discover that your eyes are getting used to sunlight again." - Andreas Moritz, Timeless Secrets of Health & Rejuvenation: Unleash The Natural Healing Power That Lies Dormant Within You (Get the book.)

"It is therefore advisable to avoid sunbathing and intensive uv radiation for the duration of treatment with Angelica or its preparations. drug interactions MODERATE RISK Anticoagulants and Thrombolytic Agents: Concurrent use may result in increased risk of bleeding. Clinical Management: Monitor for signs and symptoms of excessive.bleeding. MINOR RISK Low Molecular Weight Heparins: Concurrent use may result in increased risk of bleeding. Clinical Management: Monitor for signs and symptoms of excessive bleeding." - Thomson Healthcare, Inc., PDR for Herbal Medicines, Fourth Edition (Get the book.) "John's Wort) does not influence skin sensitivity to uv radiation, visible light, and solar- stimulated radiation. Arch Dermatol 137(4):512-513. 2001. Schempp M, Hezel S, Simon C. Topical treatment of atopic dermatitis with Hypericum cream: a randomized, placebo-controlled, double-blind half-side comparison study. Hautarzt 54(3):248-253. 2003. Schmidt U, Harrer G, Kuhn U, et al: Interaction of hypericum extract with alcohol. Placebo controlled study with 32 volunteers. Nervenheilkunde 12:314-319. 1993. Schmidt U." - Thomson Healthcare, Inc., PDR for Herbal Medicines, Fourth Edition (Get the book.)

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