Walter Last
See book keywords and concepts |  Deficiency of this ultraviolet radiation caused by our living behind glass is a contributing factor in the development of degenerative diseases such as arthritis, cancer and leukemia, eye diseases, hyperactivity, and sexual problems. These harmful effects are reinforced if the glass is inappropriately tinted, in this way blocking out a part of the visible spectrum as well.
Ott demonstrated that the primary effect of light entering our eyes is on the endocrine ored lights have a strong influence on the ratio of male to female offspring when breeding animals. | | In lotion, it is excellent for protecting the skin against ultraviolet radiation.
It is obtained from food yeast, liver, egg yolk, and is also synthesized by intestinal bacteria. As a supplement, the soluble potassium salt of PABA is preferable to the almost insoluble acid itself.
Vitamin B15 (Pangamic Acid): This bioflavonoid occurs in seeds, grains, and nuts, and it protects against oxygen deficiencies in a way similar to vitamin E. |
Steven G. Pratt, M.D. and Kathy Matthews
See book keywords and concepts |  While no one is precisely certain what causes macular degeneration, there's ample evidence that free-radical damage from long-term exposure to light and ultraviolet radiation may play a role. We know for sure that cigarette smoking is a proven risk factor for AMD and most likely cataracts as well. Indeed, smoking is the most preventable cause of AMD.
Enter the two powerful carotenoids in spinach: lutein and zeaxanthin. A number of studies have shown an inverse relationship between dietary intake of foods rich in lutein/zeaxanthin and the incidence of AMD. |
Phyllis A. Balch, CNC
See book keywords and concepts |  It has also been shown to protect against the effects of ultraviolet radiation. Because it has a strong cell wall, which makes it difficult to access its nutrients, chlorella requires factory processing to make it effective.
Spirulina
Spirulina is a blue-green alga found naturally in alkaline, warm-water lakes. It is cultivated for commercial use in specially designed algae farms. Spirulina contains concentrations of nutrients unlike any other single grain, herb, or plant. |
Laurie Deutsch Mozian, M.S., R.D.
See book keywords and concepts |  In animal models, green tea was fed to or used topically on mice whose skin cancer was induced by exposure to ultraviolet radiation B. Continual oral feedings of green tea was shown to significantly decrease tumor induction. Topical exposure of mice to green tea was not as effective as the ingestion of the tea. The scientists concluded that green tea might reduce the induction of skin cancer in humans from ultraviolet radiation.
Green tea also has offered protection in animal models against lung cancer and colon cancer at all stages of cancer. |
Tanya Harter Pierce
See book keywords and concepts |  There are many common triggers, such as random errors in cell replication, or too much exposure to ultraviolet radiation, radioactive fallout, pesticides, and other environmental toxins. But there are also many natural control mechanisms within our bodies to keep these sparks from turning into raging forest fires of cancer.
Most medical practitioners and researchers agree that, in fact, we all probably have cancer cells developing in each of us all the time, but our bodies are able to dispose of them before they rage out of control. |
Brian O'Leary
See book keywords and concepts |  The sixty pounds of air we breathe every day the ultraviolet radiation and bug bites that penetrate our skin, and the water and food we ingest, have more influence on our well being than we could ever realize. Climate change, ozone depletion, the foul air, the dirty and dwindling water, the contaminated food, the radioactive and chemical waste, the spread of virulent new and old strains of disease—airborne, waterborne, jetborne, and boatborne—are wreaking havoc on us. | | Both planets are devoid of an ozone layer which would protect life from destructive ultraviolet radiation. Is the Earth going down a similar path? For whatever reason, Venus has outgassed so much carbon dioxide that it now has a hundred Earth atmospheres of the stuff, still 300,000 times more than what we have here. Because of its own greenhouse effect, the temperature at the Venusian surface is a scorching thousand degrees Fahrenheit, hot enough to melt lead.
Planetary scientists on Earth have already deduced that Venus experienced a runaway greenhouse effect. | | The alarming disappearance of ozone in the stratosphere protecting us from lethal ultraviolet radiation comes from human emitted chemicals that also reinforce global warming itself.
One doesn't have to be a rocket scientist or doomsdayer to believe that if we don't radically change the way we do things in the new century the "end times" could be upon us—the sinking of coastal cities, plagues, mega-storms and so forth. Authors Peter Russell14 and Terence McKenna 15 foresee an inevitable crescendo during the twenty-first century because of the accelerating rate of human impact. |
Nontoxic, Natural and EarthwiseDebra Lynn Dadd
See book keywords and concepts | | Ozone plays a number of important roles in regulating the earth's temperature and also acts as a protective layer in the upper atmosphere that absorbs most of the harmful types of ultraviolet radiation from the sun that would be harmful to humans, animals, and plants.
Increased ultraviolet radiation leads to increased skin cancer, eye damage, and aging and wrinkling of the skin—an 83 percent increase over the past seven years in the United States. A 10 percent depletion of the ozone layer could result in almost 2 million additional skin cancers each year. |
Josef A. Brinckmann and Michael P. Lindenmaier
See book keywords and concepts |  Therefore, long periods of sun exposure and concentrated ultraviolet radiation should be avoided throughout the duration of use. High, peroral dosages of khellin (100 mg/ day), increased (reversible) plasma transaminases and gamma-glutamyltransferase activities.
Evaluation
Because the efficacy of the drug and preparations thereof for the claimed indications have not been adequately substantiated, the therapeutic use of the drug in view of the risks cannot be recommended. |
Jack Challem
See book keywords and concepts |  That's because tanning increases exposure to ultraviolet radiation, which creates free radicals and speeds the aging of skin cells. Athletic injuries also can accelerate the aging process, particularly of joints and bones, and injuries have been documented to create free radicals. The chemicals in cigarette smoke are dangerous in part because they stress the body's ability to detoxify them, generating still more free radicals in the process.
In addition, poor nutrition and leading a hard life increase wear and tear. |
Richard P. Brown, M.D., and Patricia L. Gerbarg, M.D.
See book keywords and concepts |  The energy from carcinogens such as x-rays or ultraviolet radiation strikes molecules in the skin, creating free radicals that split off and cause skin cancer—including melanoma, the most dangerous kind—as well as age spots, wrinkles, and general skin aging. Other carcinogens, such as pesticides, cause free radical damage when the body tries to metabolize and detoxify them.
Antioxidants neutralize free radicals before they attack cellular DNA. Nature's primary source of antioxidants is plant-derived foods, especially fruits and vegetables. Why do plants contain antioxidants? |
The Life Extension Editorial Staff
See book keywords and concepts |  It has been shown to absotb ultraviolet radiation and prevent cataracts in a concentration-dependent manner (Brubaker et al. 2000). In combination with cysteine, an amino acid antioxidant, vitamin C is able to remain stable in an aqueous solution and acts as a precurser to glutathione synthesis.
L-carnosine is a naturally occurring antioxidant and antiglycation agent. In studies, topically applied N-acetyl-carnosine helped to ptevent light-induced DNA strand breaks and even repaired damaged DNA strands (Specht et al. 2000). | | Protecting against the effects of ultraviolet radiation is a multi-million dollar industry. Creams, lotions, cosmetic products, and protectants are to be found everywhere, resulting in confusion for the consumer regarding what products are really helpful. Cosmetic companies may seize upon an idea, put that ingredient into a cream or lotion without much research, and then advertise it to an unsuspecting public. This protocol will only use evidence from peer-reviewed journals.
The Anatomy of Our Skin
Our skin consists of two main layers: the dermis and epidermis. |
Jack Challem
See book keywords and concepts | | Sunscreens can block some exposure to ultraviolet radiation, but they are often improperly used. For example, sunscreens protect the skin for short periods, and they are easily washed off.
Nutrients That Can Help
The classic signs of fatty acid deficiency (omega-6, omega-3, or both) are dry and flaking skin. Such symptoms can develop when people are malnourished or eat low- or zero-fat diets. Eating fish and taking fish oil capsules can provide omega-3 fatty acids, and olive oil is an excellent source of omega-9 fatty acids. |
Alexander Hellemans and Brian Bunch
See book keywords and concepts |  The following year Johann Ritter found the other side of the story, that invisible ultraviolet radiation affects silver chloride more than light does.
Like most discoveries of invisible rays, the discoveries of Herschel and Ritter were accidental. The next discovery, however, was predicted. In 1873 James Clerk Maxwell incorporated infrared and ultraviolet radiation along with light into his theory of electromagnetic fields. The same theory forecast that there should be radiation with wavelengths longer than infrared and shorter than ultraviolet. |
Gary Null, Ph.D.
See book keywords and concepts |  Tocopherol Decreases Epidermal Damage from ultraviolet radiation,"
FASEB Journal, 4(4), 1990, p. A1139.
Smoking
Results of this study found that vitamin E may be a key antioxidant for the lower respiratory tract and that young smokers deficient in vitamin E may be predisposed to an enhanced oxidant attack on their lung parenchymal cells.
—E.R. Pacht, et al., "Deficiency of Vitamin E in the Alveolar Fluid of Cigarette Smokers: Influence on Alveolar Macrophage Cytotoxicity," Journal of Clinical Investigations, 77(3), March 1986, p. 789-796. |
Robert Becker, M.D., and Gary Selden
See book keywords and concepts |  It exists in a spectrum of wavelengths that includes cosmic rays, gamma rays, X rays, ultraviolet radiation, visible light, infrared radiation, microwaves, and radio waves. Together, electromagnetic fields and energies interact in many complex ways that have given rise to much of the natural world, not to mention the whole technology of electronics.
You'll need a casual acquaintance with all these terms for the story ahead, but don't worry if the concepts seem a bit murky. |
Samuel S. Epstein, M.D.
See book keywords and concepts |  For example, ultraviolet radiation causes skin cancer, and ionizing radiation cancer of various organs (e.g., leukaemias, lung cancer, bone sarcomas, skin cancer). Exposure to a "background level" has been widely considered as unavoidable and, in the case of ultraviolet light, even necessary as an integral part of our natural environment. Strong epidemiologic and experimental evidence indicates the existence of a direct dose-response relationship between exposure to radiation and carcinogenic effects. | | As part of its prevention efforts, NCI supports numerous studies of the total environment contributing to cancer causation, Adamson said, including studies on viruses, natural and synthetic chemicals, dietary and nutritional factors, fibers, ultraviolet radiation, ionizing radiation, and other factors.
"Unquestionably, however, lifestyle factors contribute to the toll of human cancer," Adamson stressed, "and the single most identifiable causes of cancer — and other diseases — in the United States is tobacco smoking. |
Mark Bricklin
See book keywords and concepts |  Cataracts and the Sun
Overexposure to ultraviolet radiation has been implicated in the development of cataracts. As part of a national health program in
Australia, doctors examined the eyes of over 100,000 people from remote rural areas scattered all across the country. By comparing the incidence of cataracts with zones of average daily sunshine (ultraviolet, or UV, radiation), the examiners were able to demonstrate convincingly that "cataract develops earlier in life and also has more severe visual consequences in areas of high UV radiation" (Lancet, December 5, 1981). |
Ralph Golan, M.D.
See book keywords and concepts |  The underlying environmental causes are numerous carcinogenic agents in the air, food, and water, primarily industrial and agricultural chemicals; excessive ultraviolet radiation, such as overexposure to sun and sunlamps; and iatrogenic causes, such as excessive X rays, excessive estrogens, and chemotherapeutic and other drugs. Certain electromagnetic frequencies have also been linked to cancer, especially those emitted by high-tension power lines, unshielded video and computer display terminals, and possibly electric blankets and electric razors. |
Mark Bricklin
See book keywords and concepts | | The ability of a particular product to block the damaging ultraviolet radiation is rated on a scale from 0 to 15, with those having a value of 15 offering the most complete protection. Lesser values allow tanning but filter out a portion of the ultraviolet light.
It is the epidermis, rather than the interior dermis, that acts primarily as a barrier. Once it has been penetrated, the rich vascular and lymphatic supply of the dermis provides access to the rest of the body. | | Once the skin has been damaged by ultraviolet radiation, therapy is much less successful.
Vitamin E has been shown to be helpful in treating the reddish, scaly blotches of discoid lupus, according to LOs Angeles dermatologists Samuel Ayres, Jr., M.D., and Richard Mihan, M.D. In Cutis (January, 1979), they reported that 800 to 1,600 I.U. of oral vitamin E plus vitamin E applied directly to the skin brought "excellent" responses in lupus patients. |
Robert Hass, M.S.
See book keywords and concepts |  These agents are: ionizing radiation such as X-rays; ultraviolet radiation from the sun; tobacco, including secondhand smoke; alcoholic beverages; metals, such as cadmium, nickel, and arsenic; pesticides; aromatic amines, found in charred or cooked meats and in air pollution; chlorinated hydrocarbons, found in tap water; aflatoxins, which are molds found on peanuts and grains; the human papilloma virus, which is linked to cervical cancer; hepatitis viruses (liver cancer); Epstein-Barr virus (nasopharyngeal cancer); and human immunodeficiency virus (HIV—Kaposi's sarcoma and lymphoma). | | Plants must also make their own antioxidant phytonutrients, such as polyphenols and carotenoids, to protect their delicate cellular structures from the sun's ultraviolet radiation. Photosynthesis, a process by which plants use sunlight, carbon dioxide, and water to manufacture carbohydrates and oxygen, generates a large number of free radicals that would kill the plants were it not for the presence of protective phytonutrients. Phytonutrients also protect young seeds, guarding their ability to germinate. | | Free radicals are produced in many different ways, such as normal metabolic processes, ultraviolet radiation from the sun, nuclear radiation, and the breakdown in the body of spoiled fats. Free radicals have been implicated in aging, cancer, cardiovascular disease, and other kinds of damage to the body. See Antioxidants.
Free-radical reaction: The cascade of chemical reactions that occurs when a free radical reacts with another molecule in order to gain an electron. |
Simon Mills and Kerry Bone
See book keywords and concepts |  The authors concluded that topical Echinacea preparations may be useful in the prevention or treatment of photodamage of the skin by ultraviolet radiation.55
PHARMACOKINETICS
No data available.
CLINICAL TRIALS
The many clinical trials on the expressed juice of Echinacea administered by injection have not been included in this monograph, since this mode of dosage application is not common in the English-speaking world. | | EFFECTS
Improves vascular tone; astringent and antiinflammatory to mucosa; protects against oxidative stress and ultraviolet radiation when used topically; haemostyptic.
TRADITIONAL VIEW
Witchhazel was used to treat vascular disorders including haemorrhoids, varicose veins, phlebitis, haemorrhages and other conditions associated with poor venous tone or congestion. |
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