The days when people received all their health and nutrition information from doctors have come and gone. The technology explosion has made health information more accessible to more people than ever before. Books, magazines, television, radio, supermarkets, health food stores, and the Internet are just a few places where health and nutrition information and advice are available. But how can you know if the source is credible and the information accurate?
The federal government estimates that billions of dollars a year are spent on unproven medical treatments.
This isn't to say that all unproven treatments are fraudulent. But without scientific evidence, medical professionals can't know for sure if the treatment actually worked or if there was a placebo effect involved. Potential dangers of unproven treatments include drug interactions and toxicities. The possibility also exists that using unproven remedies can delay the use of established treatments, thus allowing a disease to worsen.
The following are some areas that are particularly susceptible to misleading claims:
Because herbal supplements are considered foods rather than drugs, they are not subject to the same approval criteria by the Food and Drug Administration (FDA) the way drugs are. Consequently, there is no governmental oversight of manufacturing or of herbal effectiveness.
Products from different manufacturers may be very different in potency and may not be directly comparable. Even if one brand of herb has been shown effective, this does not guarantee that a competitor’s product will perform equally well. An important misconception is that since they are "natural," they are harmless. This may not be the case. Herbs and supplements can be very powerful and must be used with caution. Check the FDA's website for warnings and safety information on dietary supplements.
While herbal remedies have been used for centuries, only recently have studies been designed to test their efficacy. Searching for test results in legitimate sources is the best way to learn whether scientific studies support the use of a given herbal remedy. Natural and Alternative Treatment includes information on over 350 herbs and supplements.
The Internet is another flourishing area for nutritional information and misinformation.
There is no governing body or set of rules overseeing the content on the Internet. Therefore, there is nothing to prevent anyone from using it to peddle false information and promote fraudulent products.
Well-established and reputable sources include government agencies, such as the FDA and USDA, professional organizations such as the Academy of Nutrition and Dietetics and the American Medical Association, and non-profit organizations, such as the American Heart Association, American Cancer Society, and the American Diabetes Association.
Your doctor probably has a diploma hanging on the wall. You won't always find that when looking for nutritional advice, particularly when it comes from a source outside of the traditional healthcare setting. To be sure you are getting advice from someone who has training in a wide variety of nutrition topics, one option is to look for the credentials RD (registered dietitian). Registered dietitians must complete four years of undergraduate study in nutrition at an accredited university, a postgraduate internship, and then pass a national exam to receive the RD credential. If you are seeking a nutrition counselor, see the Academy of Nutrition and Dietetics' website to locate a registered dietitian near you.
If you are investigating alternative therapies, you may want to look for people who have the initials ND after their names. This signifies that they have been trained as a naturopathic doctor, which usually includes four to five years in a program that emphasizes natural therapies.
The Food and Nutrition Science Alliance (FANSA) is a coalition of food scientists, nutrition professionals, and researchers. To aid consumers in evaluating nutrition and health reports and advice, FANSA has issued a "list of red flags of junk science." Included in the list are:
If you think you have been the victim of nutrition quackery, you have several options. Most importantly, if you think a product has caused you physical harm, contact your doctor immediately. Otherwise, the National Council Against Health Fraud, the Consumer Health Information Research Institute, and the FDA Office of Consumer Affairs are good organizations to turn to with questions and complaints. If the product was ordered by mail, your local post office might be able to help. Ultimately, knowledge is your best defense. An informed consumer is much less likely to become a victim of nutrition quackery.
Food and Drug Administration
National Center for Complementary and Alternative Medicine
National Council Against Health Fraud
Clancy C. Online tools help patients find good health information. Agency for Healthcare Research and Quality website. Available at: http://www.ahrq.gov/consumer/cc/cc120208.htm. Published December 2, 2008. Accessed July 22, 2012.
Herbs at a glance. National Center for Complementary and Alternative Medicine website. Available at: http://nccam.nih.gov/health/herbsataglance.htm. Updated January 13, 2012. Accessed July 22, 2012.
Licensed states and licensing authorities. The American Association of Naturopathic Physicians website. Available at: http://www.naturopathic.org/content.asp?contentid=57. Accessed July 22, 2012.
Media guide: 2012-2013. Academy of Nutrition and Dietetics website. Available at: http://www.eatright.org/Media/content.aspx?id=6442451145. Accessed July 22, 2012
Last reviewed July 2012 by Brian P. Randall, MD
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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