Multiple Skin Cancer Risk Behaviors Are Common Among US Adults Jan 12, 2008
30, 2005) A decreased ability to repair chromosomal damage caused by exposure to ultraviolet B (UV-B) radiation in test tubes may be associated with an increased risk of the common skin cancers basal cell. . (Science Daily)
Cell Defenses and the Sunshine Vitamin Jan 8, 2008
But we can also make it ourselves, through a chemical reaction that happens in the skin when it is exposed to ultraviolet B (UVB) light. Strictly speaking, then, vitamin D is not a vitamin at all, because with moderate UVB exposure, we do not need to get it from food. (Scientific American)
Lack Of Sunlight May Increase Lung Cancer Risk Dec 24, 2007
The researchers looked at the association between latitude, exposure to ultraviolet B (UVB) light, and rates of lung cancer according to age in 111 countries across several continents ... Journal reference: Could ultraviolet B irradiance and vitamin D be associated with lower incidence rates of lung cancer. (Science Daily)
Sunlight may help reduce lung cancer risk Dec 19, 2007
The study found that lower levels of the sun's ultraviolet B (UVB) rays are associated with a higher incidence of lung cancer across 111 countries. In countries where people are exposed to more sunlight -- such as Malawi and Benin -- lung cancer rates are lower than those with fewer hours of sun, such as Britain. (Xinhuanet, China)
Sunlight Helps Put Lung Cancer in the Shade Dec 19, 2007
A new study finds that lower levels of the sun's ultraviolet B (UVB) rays are associated with a higher incidence of lung cancer across 111 countries. Still, that doesn't mean that spending more time in the sun will ever offset the risks that come with smoking, according to the study, which is published in the January issue of the Journal of Epidemiology and Community Health. (MEDLINEplus)
Gene-Based Sunscreen Might Someday Prevent Skin Cancer Dec 11, 2007
This type of damage occurs in humans and mice alike after sustained exposure to the sun's ultraviolet B (UVB) rays. Once treated and repaired, the UVB-exposed p53 mouse gene resumed its normal cancer-preventing activity, inhibiting the spread and proliferation of tumor cells. (MEDLINEplus)
Dermatologists Share Their Secrets For Maintaining Healthy Skin, Hair And Nails Nov 14, 2007
Use sunscreen every day, preferably one with a Sun Protection Factor (SPF) of at least 15 that provides broad-spectrum protection from both ultraviolet A (UVA) and ultraviolet B (UVB) rays. Today, many skin care products contain sunscreen and are multifunctional, which allows you to get many skin benefits from one application. (Science Daily)
Antioxidants could provide all-purpose radiation protection Nov 5, 2007
Inositol and inositol hexaphosphate (IP6) protected both human skin cells and a skin cancer-prone mouse from exposure to ultraviolet B (UVB) radiation, the damaging radiation found in sunlight, the team reported today at the American Association for Cancer Research Centennial Conference on Translational Cancer Medicine. According to the researchers, inositol and IP6 could decrease the severity of side effects from radiation therapy, saving healthy cells while simultaneously increasing the... (EurekAlert!)
Are Your Sunscreens Safe? Aug 29, 2007
"We have known for years that the system is 'broken', but with the FDA's recent statement, consumers finally know that what they get over the counter may not be protecting them fully. With the improved system, consumers will see which sunscreens actually work for both UVA and UVB rays." Last week, the FDA proposed long awaited rules covering the ingredients, packaging and testing of sunscreens that claim to protect against ultraviolet B (UVB) and ultraviolet A (UVA) rays. Many products currently... (PR Newswire)
Making some sense out of your sunscreen Aug 26, 2007
The long-awaited action by the Food and Drug Administration would label every lotion with a 1- to 4-star rating on its ability to block ultraviolet A rays and with improved SPF ratings on blocking ultraviolet B rays, FDA officials said. Labels also would warn consumers to stay out of the sun and cover up to prevent skin cancer. (Sun-Sentinel.com)
FDA Proposes New Rules for Sunscreens Aug 25, 2007
Right now, most commercial sunscreens only screen out ultraviolet B (UVB), not UVA, which is associated with longer and more serious damage deep within the skin. Labels would have up to four stars indicating their effectiveness against UVA rays, the FDA said. (Forbes)
FDA proposes new rule for sunscreen products Aug 25, 2007
WASHINGTON, Aug. 23 (Xinhua) -- The U.S. Food and Drug Administration proposed on Thursday a new regulation that sets standards for formulating, testing and labeling over-the-counter (OTC) sunscreen drug products with ultraviolet A (UVA) and ultraviolet B (UVB) protection. "For more than 30 years, consumers have been able to identify the level of UVB protection provided by sunscreens using only sunburn protection factor or SPF values," said Andrew C. von Eschenbach, Commissioner of FDA.. (Xinhuanet, China)
Daily Briefing Aug 24, 2007
The Food and Drug Administration on Thursday proposed long-delayed rules covering the ingredients, labeling and testing of sunscreens that boast of protecting against both the sun's ultraviolet B rays, which cause sunburn, and the ultraviolet A rays that cause tanning but also are associated with more serious and longer-term damage. TECHNOLOGY: New PlayStation3 can record live TV. (Atlanta Journal-Constitution -- Business)
Your skin can still sizzle despite cooler days this summer Aug 8, 2007
The sunscreen should also provide broad-spectrum protection from both ultraviolet A (UVA) and ultraviolet B (UVB). Ingredients which provide broad-spectrum protection include benzophenones (oxybenzone), cinnamates (octylmethyl cinnamate and cinoxate), sulisobenzone, salicylates, titanium dioxide, zinc oxide, avobenzone (Parsol 1789) and ecamsule (Mexoryl SX), so check the label ingredients. (Inside Bay Area)
Sun-proofing fashion Aug 7, 2007
UPF blocks both ultraviolet A (which ages the skin) and ultraviolet B (which burns the skin). SPF: Stands for Sun Protection Factor. (AZCentral -- Families)
Incidence Of Melanoma On The Rise Aug 5, 2007
(UVA) and ultraviolet B (UVB) rays. Re-apply every two hours, even on cloudy days, and after swimming or sweating. (Science Daily)
Sunscreen labels may not give accurate info, experts say Aug 1, 2007
Also, current labels' SPF ratings express protection against ultraviolet B rays, but not against ultraviolet A rays -- which scientists now say may be even more dangerous in terms of skin cancer, said Dr. Vincent DeLeo, associate professor of dermatology at Columbia University ... One advance: The familiar SPF ratings on sunscreen labels measure the product's protection against UVB, or ultraviolet B rays, which can cause sunburn and skin cancer ... An SPF of 15 blocks 93 percent of the sun's... (Herald Online, SC -- Health)
Caffeine And Exercise May Prevent Skin Cancer Aug 1, 2007
The caffeine and exercise appear to work together to kill off precancerous skin cells whose DNA has been damaged by ultraviolet B (UVB) rays. The discovery is yet to be tested in humans. (Medical News Today)
Vitamin D Deficiency Jul 19, 2007
Sunlight and Artificial Ultraviolet B Radiation. Vitamin D Intoxication. (New England Journal of Medicine)
Do Sunscreens Have You Covered? Jul 6, 2007
The F.D.A. in 1978 first proposed a system of labeling products with an S.P.F. or Sun Protection Factor, which measures how effective the product is in preventing burn caused by the sun;s ultraviolet B rays. UVB radiation can also be a factor in skin cancer. (Sarasota Herald-Tribune)
Sunscreens can't guarantee protection Jun 29, 2007
In fact, the sunscreens you grew up using _ those creams you rubbed in before jumping in the waves _ did nothing more than shield you against ultraviolet B radiation (UVB), which is responsible for burns that turn people tomato-red, then blister. For years, it was believed UVB was the primary culprit in skin cancer. (Columbus Telegram, NE)
Choose your pair with care Jun 27, 2007
They are essential to protecting eyes from the sun's ultraviolet A and ultraviolet B rays. That UVA and UVB light can damage your vision, sometimes permanently. (Akron Beacon Journal, OH -- Living)
Sunscreen Users Could Get Burned, Asserts Critics Jun 22, 2007
"Only 16% of the products on the market are both safe and effective, blocking both ultraviolet A and ultraviolet B radiation, remaining stable in sunlight, and containing few if any ingredients with significant known or suspected health hazards," the group wrote in a report. More than half of the products contained unstable ingredients that can break down under sunlight, leaving the user unwittingly exposed, and many products make unsupported claims about efficacy or stability, the report's... (MedPage Today)
Good Question: What Doesn't An SPF Number Tell Us? Jun 13, 2007
"The SPF is how much it blocks the Ultraviolet B rays," said Crutchfield. "B stands for burn.". (WCCO.com, MN)
Vitamin D Reduces Cancer Risk Jun 9, 2007
However, people need to exercise caution since the sun's ultraviolet B rays also can cause skin cancer; sunscreen blocks most vitamin D production. In addition, the latitude at which you live and your ancestry also influence your body's ability to convert sunlight into vitamin D. People with dark skin have more difficulty making the vitamin. (Newsmax)
Choose your next pair of sunglasses with expert advice Jun 8, 2007
"Especially in sunny Kansas," she says, they're essential to keeping eyes protected from the sun's ultraviolet A and ultraviolet B rays. That UVA and UVB light can damage your vision, sometimes permanently. (Herald Online, SC -- Health)
High-Performance Summer Sporting Gear Jun 3, 2007
(UPF rates protection against both Ultraviolet A and Ultraviolet B waves. . (Forbes)
Docs warn sunworshippers to protect skin Jun 2, 2007
People should also check sunscreen labels to see exactly what the product does; the SPF, or sun protection factor, listed on the bottle only refers to protection against ultraviolet B rays, which primarily cause sunburn. UVA rays penetrate the skin more deeply and are the main cause of skin cancer and premature aging, so sunscreens that provide broad UVA and UVB protection are best. (Atlanta Journal-Constitution)
The Importance of Vitamin D May 11, 2007
Yes, it is true that humans can synthesize vitamin D3 in the skin, when exposed to ultraviolet B (UVB) radiation from the sun. According to the institute, sunlight exposure provides most people with their entire vitamin D requirement. (Suite101.com)
New Survey Ranks The Most And Least Sun-smart Cities in US May 8, 2007
Generously apply sunscreen with a Sun Protection Factor (SPF) of at least 15 that provides broad-spectrum protection from both ultraviolet A (UVA) and ultraviolet B (UVB) rays. Re-apply every two hours, even on cloudy days, and after swimming or sweating. (Science Daily)
Top 10 tips to protect skin in summer May 4, 2007
Over the counter sunscreen products use the familiar SPF system to rate the level of protection against the ultraviolet B (UVB) radiation that causes sunburn. The rating (SPF15, SPF30, etc. (SpiritIndia)
Vitamin D casts cancer prevention in new light Apr 29, 2007
By an unfortunate coincidence, the strong sunshine able to produce vitamin D is the same ultraviolet B light that can also causes sunburns and, eventually, skin cancer. Only brief full-body exposures to bright summer sunshine of 10 or 15 minutes a day are needed to make high amounts of the vitamin. (Globe and Mail)
Black Raspberries Yield Possible Skin Cancer Treatment Apr 20, 2007
Researchers at the Ohio State University Medical Center say a topical compound made of black raspberries significantly slows the growth of squamous cell carcinomas of the skin in mice exposed to ultraviolet B (UVB) radiation, the most dangerous light in the solar spectrum. In terms of shutting down the inflammatory response, we ve never seen anything like it, says Dr. Anne VanBuskirk, an assistant professor of surgery in Ohio State s College of Medicine and senior author of the study, presented... (Science Daily)
• Teens tanning for prom, despite restrictions Apr 14, 2007
Two types of ultraviolet radiation are Ultraviolet A (UVA) and Ultraviolet B (UVB). UVB has long been associated with sunburn while UVA has been recognized as a deeper penetrating radiation, according to the U.S. Food and Drug Administration. (Racine Journal Times, WI)
Tanning may protect against melanoma Mar 11, 2007
Modulation of melanocyte-stimulating hormone receptor expression on normal human melanocytes: evidence for a regulatory role of ultraviolet B, interleukin-1alpha, interleukin-1beta, endothelin-1 and tumour necrosis factor-alpha. Br J Dermatol. (Food Consumer)
2 new studies back vitamin D for cancer prevention Feb 6, 2007
Vitamin D3 is available through diet, supplements and exposure of the skin to sunlight, or ultraviolet B (UVB). In the paper, the researchers underscored the importance of limiting sun exposure such that the skin does not change color (tan) or burn. (EurekAlert!)
Skin Cancer Linked To Frequent Driving Feb 3, 2007
According to the AAD, most front windshields are designed to block the sun's ultraviolet A (UVA) and ultraviolet B (UVB) rays, while side and rear windows are typically designed to block only UVB rays. Tinting or using UV filters on auto glass may help, along with wearing broad-spectrum sunscreen and protective clothing, Fosko notes in the news release. (CBS News)
Drug Ads / Sunhine / Obesity Jan 31, 2007
The key lies in the amount of ultraviolet b light the skin absorbs--just enough to stimulate a healthy, vitamin d immune response in the skin. The researchers stressed -- too much sun is not a good thing. (WOKR13 Rochester)
A Little Sun Might Shield against Skin Cancer Jan 31, 2007
The key could lie in the amount of ultraviolet B (UVB) light the skin absorbs -- enough to stimulate a healthy, vitamin D-linked immune response in the skin but not so much that it boosts skin cancer risk. "I do think that a little bit of sunlight is good for people, but I think that one of the problems that the American Cancer Society and dermatologists have is, how do you define what a little bit is?" said skin cancer researcher Marianne Berwick, chief of epidemiology at the University of New... (MEDLINEplus)
Chemicals In Brown Algae May Protect Against Skin Cancer Jan 27, 2007
The animal study indicates that chemicals called brown algae polyphenols (BAPs), which are found in a type of brown marine seaweed, might protect against skin cancers caused by ultraviolet B (UVB) radiation. UVB radiation in sunlight is thought responsible for 90 percent of the estimated 1. (Science Daily)
Hope for vitamin D research to cut skin cancer rate Dec 12, 2006
He says exposure to good ultraviolet B rays under the shade could do the trick. "What I'm suggesting is that we can utilise shade especially in the high exposure climates like Queensland because the wavelengths that we require for vitamin D are present in the shade, but the majority of the rays that we don't need are quite reduced compared to the full sun," he said. (ABC News Online, Australia -- Health)
Deficiency In Exposure To Sunlight Linked To Ovarian Cancer Nov 3, 2006
Using newly available data on worldwide cancer incidence, researchers at the Moores Cancer Center at UCSD have shown a clear association between deficiency in exposure to sunlight, specifically ultraviolet B (UVB), and ovarian cancer. UVB exposure triggers photosynthesis of vitamin D3 in the body. (Science Daily)
Exposure To Sunlight Could Reduce Asthma Oct 27, 2006
Australian researchers have found that exposure to measured doses of ultraviolet light, such as sunlight, could reduce asthma. The research team at Perth's Telethon Institute for Child Health Research, through funding provided by the Asthma Foundation of WA, studied the effect of ultraviolet light on the development of asthma-like symptoms in mice, such as inflamed airways and lungs. (Science Daily)
Study claims exercise helps reduce skin cancer Oct 9, 2006
Some were exposed to tumor-inducing ultraviolet B light and had continuous access to running wheels, and some had similar exposure to UVB, yet lacked a readily available source of exercise. The results showed that mice with access to the running wheels had a delayed development of skin tumors - as well as a lower rate of appearance and smaller size of tumors as compared to the latter group. (The Daily Targum, NJ)
Global view shows strong link between kidney cancer, sunlight exposure Sep 19, 2006
Using newly available data on worldwide cancer incidence to map cancer rates in relation to proximity to the equator, researchers at the Moores Cancer Center at University of California, San Diego (UCSD) have shown a clear association between deficiency in exposure to sunlight, specifically ultraviolet B (UVB), and kidney cancer. UVB exposure triggers photosynthesis of vitamin D3 in the body. (EurekAlert!)
[extra: Further details] Aug 19, 2006
Narrow band ultraviolet B light (310 to 315 nm)20. Induces clearing in 82% of patients. (British Medical Journal)
The Fine Print On Sunscreens Aug 18, 2006
Ultraviolet B radiation causes sunburn, but UV-A rays penetrate deeper into the skin, lowering our resistance to skin cancers and causing skin to age. The SPF number, or sun protection factor, on sunscreens refers only to UV-B protection. (CBS News)
H-E-B offers tips in Sun Care Program Aug 17, 2006
Sunburn comes from the ultraviolet B rays and it also affects DNA in the skin, which can cause skin cancer. "The damage that is done weakens the fibers that hold the skin together causing the sagging," he said. (Pasadena Citizen, TX)
Vitamin D often low in seemingly healthy girls Aug 5, 2006
"This is in keeping with the fact that the main source of vitamin D is that produced by the action of solar ultraviolet B radiation acting on 7-dehydrocholesterol in skin," the team explains. "Only small amounts are obtained from dietary sources.". (Reuters)
Slather It On: Potent New Sunscreen Approved by FDA Jul 27, 2006
Most sunscreens available in the United States protect only against long-wave UVA and both forms of ultraviolet B light. But the new compound, known as ecamsule, has long been available in Europe and Canada. (ABC News)
Long-awaited sunscreen gets cleared in U.S. Jul 25, 2006
The sunscreen, produced in France, contains an ingredient (ecamsule) that blocks out ultraviolet A rays, which penetrates deeper than ultraviolet B rays associated with more common sunburns. Dermatologists have praised Mexoryls effectiveness at blocking ultraviolet A rays, and some Americans have sought it out through the Internet and other overseas sources. (MSNBC -- Health)
FDA Approves a New Over-the-Counter Sunscreen Product Jul 25, 2006
The Food and Drug Administration (FDA) today approved Anthelios SX, a sunscreen from L'Oreal to be sold over-the-counter (OTC) for the prevention of sunburn and for protection against ultraviolet B (UVB) and ultraviolet A (UVA) rays. It has a sun protection factor (SPF) of 15. (U.S. Food and Drug Administration)
Health Highlights: July 24, 2006 -update Jul 25, 2006
Ecamsule is more effective against UVA radiation than ingredients (which block mainly ultraviolet B radiation) contained in sunscreens currently sold in the United States. Ecamsule has been an ingredient in L'Oreal's sunscreens sold in Europe and Canada since 1993. (Food Consumer)
FDA OKs New Sunscreen Jul 25, 2006
The FDA on Monday approved Anthelios SX, made by LOreal, to prevent sunburn and protect against ultraviolet B (UVB) and ultraviolet A (UVA) rays. The new product has a sun protection factor (SPF) of 15. (CBS News)
Read the full story... Jul 24, 2006
Generously apply sunscreen to all exposed skin using a Sun Protection Factor (SPF) of at least 15 that provides broad-spectrum protection from both ultraviolet A (UVA) and ultraviolet B (UVB) rays. Re-apply every two hours, even on cloudy days, and after swimming or sweating. (Westerly Sun, RI)
Psoriasis Treatment: UVA Beats UVB Jul 19, 2006
(WebMD) PUVA, an older treatment that uses ultraviolet A light (UVA), works better than a safer, more convenient one using UVB, or ultraviolet B light, in clearing psoriasis outbreaks ... Dermatologists hoped a safer treatment using narrowband ultraviolet B (NB-UVB) light would fight psoriasis as well as PUVA.. (CBS News)
Integrative Way: D is for sunshine Jul 16, 2006
Vitamin D is an essential fat-soluble vitamin and hormone-like substance that is manufactured in the skin when we are exposed to ultraviolet B rays of the sun. Because so many people stay out of the sun now to avoid skin cancer, or cover themselves up with clothing and sun screen, many adults have lower than ideal blood levels of vitamin D.. (Sacramento Bee -- Lifestyle)
PLAY IT SAFE IN SUMMER SUN Jul 8, 2006
Adults should use sunscreen with a Sun Protection Factor (SPF) of at least 15 and children should use an SPF of 30 or higher that provides broad-spectrum protection from both ultraviolet A (UVA) and ultraviolet B (UVB) rays. It's important to re-apply every two hours, even on cloudy days, and after swimming or sweating. (Gridley Herald, CA)
Protect your skin against the sun's dangers Jul 7, 2006
The first, ultraviolet A radiation (UVA) is responsible for premature skin aging, while the other, ultraviolet B radiation (UVB), causes sunburns. However, both types of radiation have been linked to causing skin cancer. (Madison County Record, AL)
Lawsuit: Is your sunscreen doing its job? Jun 18, 2006
The sun projects two types of rays harmful to people, ultraviolet A and ultraviolet B, and sunscreen doesn't provide equal protection against both. The SPF, or sun protection factor, is primarily an indication of a sunscreen's ability to block out UVB rays, the ones that burn the outer layers of the skin. (CNN -- Health)
Vitamin D, Wonder Pill. Really Jun 13, 2006
Vitamin D is the only vitamin that the human body can make on its own, with a little help from rays of ultraviolet B light. On a sunny day, a fair-skinned person can make 10,000 to 20,000 IU in 15 minutes or less. (Los Angeles Times)
Don't Get Burned by A Love for The Sun Jun 13, 2006
Most sunscreens protect against both ultraviolet B radiation, which causes sunburns, and ultraviolet A radiation, which ages the skin. Both types have been implicated in skin cancer. (The Ledger)
Doctors report epidemiclike rate of disease May 16, 2006
Ultraviolet B rays are most associated with sunburns and the more common squamous- and basal-cell skin cancers. Ultraviolet A rays penetrate deeper and are associated with more serious tissue damage that can lead to melanoma, a malignancy that can spread to the lymph system. (The Clarion-Ledger)
Study: Exercise, diet may protect against colorectal cancer May 16, 2006
In this study, female mice that had 24-hour access to running wheels and were exposed to ultraviolet B light (UVB) took longer to develop skin tumors, developed fewer and smaller tumors, and had decreased amounts of body fat compared to mice that did not have access to running wheels. The researchers emphasized that it was unknown yet whether exercise decreased the risk of sunlight-induced skin cancer in humans, and clinical trials were needed to investigate this further. (EurekAlert!)
Exercise protects against cancer May 14, 2006
In the first experiment, mice were exposed to ultraviolet B rays, one of the harmful components of sunlight. Professor Allan Conney, who led the research at Rutgers University, New Jersey, USA, suspects that exercise increases levels of cell suicide, or apoptosis. (Guardian Unlimited)
