Guest guest Posted May 28, 2003 Report Share Posted May 28, 2003 Tue, 27 May 2003 17:39:39 -0500 HSI - Jenny Thompson Under The Boardwalk Under the Boardwalk Health Sciences Institute e-Alert May 27, 2003 ************************************************************** Dear Reader, I have to confess...I love the smell of sunscreen lotion. One whiff takes me back to carefree childhood summer days at the beach, running around on and under the boardwalk with my sister, sandy flip-flops, a collection of shells wrapped in a beach blanket, and, of course, plenty of the goupy lotion that my mother would slather on our legs, arms and faces. These days, pouring on the sunscreen lotion has become a national summertime obsession. But more than that, the idea is to somehow hide from the sun whenever we go outside. The catch-phrase recommendation of the American Cancer Society is to, " Slip! Slop! Slap! ...and Wrap! " That is: Slip on a shirt, slop on the sunscreen, slap on a hat, and wrap on a pair of sunglasses to avoid the ultraviolet (UV) light that is believed to cause skin cancer. But there are two problems with this advice: 1) most sunscreen products contain a chemical that may be toxic, and 2) the best protection for your skin comes, not from the outside, but from the inside - provided that your body is getting the right nutrients. ----------------------------- On a blanket with my baby ----------------------------- As many of us know from the 1964 song by the Drifters, one way to avoid a sunburn at the start of the sunny season is to stay: " Under the boardwalk...out of the sun... " When you limit your sun exposure to short periods at the beginning of the season, your skin will adjust and prepare natural defenses so you can spend more time in the sunlight by the time summertime is in full swing. But you certainly don't have to spend the whole summer hiding under the boardwalk, wearing long-sleeved shirts, and covered scalp to toe in SPF 2,000. Writing in his Nutrition & Healing newsletter last year (June 2002), Jonathan V. Wright, M.D., took a long look at sun exposure and skin damage, noting that for many millennia before sunscreen was developed, humans spent plenty of time in the sun. And, not coincidentally, for most of those millennia, humans ate whole foods that weren't stripped of nutrition by chemicals, herbicides, and pesticides. Dr. Wright makes the excellent point that many of today's most common dietary deficiencies involve the very nutrients we most need to protect our skin from the sun damage that can lead to skin cancer. ----------------------------- Send in the repair group ----------------------------- The " DNA Repair Group " is what Dr. Wright calls the foods and supplements that everyone (and especially sun-lovers) should be consuming in abundance. He begins by singling out folic acid in particular, which he says rivals essential fatty acids for the number one spot on the vitamin deficiency list. Dr. Wright calls folic acid deficiency " a major contributor to skin cancer risk, " and he adds, " Folic acid is destroyed rapidly by heat, cold, and exposure to light, including sunlight. So it's sunlight's destructive effect on folic acid in the skin, not the actual sun exposure itself, that accounts for a significant part of the skin cancer problem. Folic acid (along with vitamin B12 and zinc) is absolutely key to DNA reproduction and repair. " The best dietary sources of folic acid include spinach and other dark green vegetables, brewers yeast, lima beans, cantaloupe, watermelon, wheat germ, and liver from organically raised animals. In addition, Dr. Wright suggests supplementing with 1,000 mcg of folic acid per day, and more if you spend a good amount of time in the sun or have a family history of skin cancer. (Just a quick note: in an effort to further protect us from ourselves, the FDA has made it illegal to sell folic acid in a daily supply of more than 800 mcg, so don't waste your time trying to find a 1,000 mcg dose when looking for a supplement.) Dr. Wright adds that to further relieve stress to the skin, extra doses of vitamin C and antioxidants such as vitamin E round out the nutrients in the DNA Repair Group that will do far more for skin health than any number of applications of the highest SPF sunscreen. ----------------------------- Arizona's answer ----------------------------- But even if you're getting sufficient nutrition, you might still find yourself turning to sunscreen to help prevent sunburn. Unfortunately, most sunscreen products contain a chemical that could be destructive to your skin in another way. A 2000 study conducted by the Norwegian Radiation Protection Authority, showed that low doses of octyl methoxycinnamate (OMC - the UV ray absorbing ingredient included in almost all sunscreen products) killed mouse skin cells. According to researchers, their results suggest that OMC may be toxic to human skin tissue as well. I've tried to find further research on OMC, but as far as I can determine no studies have yet examined the effects of OMC on human skin. So until we know more about OMC, the Norwegian research suggests that the safe choice would be to look for effective sunscreen alternatives that don't contain this chemical. In a Members Alert we sent you last summer (July 2002), HSI Panelist Robert A. Sinnott, Ph.D., wrote about a shrub that grows in the Arizona desert called Larrea tridentata, or creosote bush, that protects itself by producing natural chemicals that function as both a sunscreen and an antioxidant. Dr. Sinnott has developed a creosote bush extract, which he calls Larreastat, that contains antiviral and anti-inflammatory agents. Larreastat is rich in flavonoid compounds, which are especially helpful in absorbing the light from the regions of the solar spectrum that are most likely to cause skin damage (the UV-A and UV-B regions). In addition, the flavonoids and the lignans in Larreastat function as powerful antioxidants. If some ultraviolet energy does make it through the sunscreen layers, the antioxidants in Larreastat quench the free radicals before they cause damage. You can find more information about Larreastat and its use as a sunscreen at larreacorp.com. ----------------------------- Lucky old sun ----------------------------- Obviously it's time to stop blaming the sun for the sins of insufficient nutrition. Especially when Dr. Wright has spelled out the exact dietary and supplement needs for optimal skin health. Dr. Wright has dedicated the majority of his medical career to determining how nutritional deficiencies leave us vulnerable to - or even cause - specific diseases. To learn more about Dr. Wright's research or his newsletter, visit www.wrightnewsletter.com. ************************************************************** ...and another thing Not all decafs are created equal. This good point was brought up by an HSI member named Don who sent an e-mail last week in response to an e-Alert that pointed out the drawbacks of drinking decaffeinated coffee ( " Lowering The High Bar " 5/19/03). Don wrote: " I don't think it is fair to lump all decaf coffee into the same category. The most usual method for taking the caffeine out of coffee is with Chloroform, as I understand it. The water decaf process takes all of the caffeine out of coffee. That's supposed to make it better than the regular or usual decaf type coffee. " Don brings up a very good point, but some of the details need clarifying. According to Saul N. Katz, a retired Maxwell House scientist, the first decaf processes in the early 20th century used chloroform and benzene. When they were found to be toxic, methylene chloride was used for several decades. When that chemical was discovered to be a suspected carcinogen in the 1980s, other decaf methods were employed, including the use of yet another chemical called ethyl acetate. The water decaf technique that Don mentions - often called Swiss water process - is apparently a safe and natural way to extract caffeine from coffee. Decaf processed with water certainly sounds preferable to a process that uses methylene chloride (which is still allowed by the FDA if small enough amounts are used). But as we've seen in recent e-Alerts, there's much more to water than just hydrogen and oxygen. In last week's e-Alert I told you about a dietary study of more than 31,000 women that revealed how four or more cups of decaffeinated coffee per day may double the chance of developing rheumatoid arthritis (RA). That study spanned 11 years and was started in the mid 80s, so there's a very good chance that most of those women were drinking methylene chloride decaf for at least part of the study period, and probably before the study began. So obviously a further study would be needed to determine if there are any RA risks associated with water process decaf. The fact remains that there are hundreds of components in coffee other than caffeine that may create problems for some people, but choosing a water process decaf is probably a safer bet. Since this is an issue of concern to a lot of our members (and to me, as well), we will continue to look for research about the pros and cons of coffee - regular and decaf. To Your Good Health, Jenny Thompson Health Sciences Institute ************************************************************** Sources: " Sun-Care Chemical Proves Toxic in Lab Tests " Mark Henderson, The Sunday Times, 10/15/00, mercola.com " Decaffeinating Coffee " Saul N. Katz, Scientific American, June 1997, scientificamerican.com Copyright ©1997-2003 by www.hsibaltimore.com, L.L.C. 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