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NCCAM Featured Content
National Center for Complementary and Alternative Medicine's Featured Content

• Message from the Director: Public Mission
  

  Yesterday, NCCAM and the National Center for Health Statistics released the results of a survey on the use of complementary and alternative medicine (CAM) in the United States. The report confirms that CAM practices are a frequently used component of Americans health care regimens. Whether people use CAM for chronic health conditions or to prevent disease and maintain wellness, these approaches are a part of health care in America today.

• Brain-Imaging Study Explores Analgesic Effect of Acupuncture
  

  Although acupuncture has long been used to relieve pain, scientific understanding of how acupuncture might achieve an analgesic effect is incomplete. Previous research has linked acupuncture's effects to the neuronal networks and opioid (pain response) systems of the brain. In light of these findings, NCCAM-funded researchers at Massachusetts General Hospital recently used two imaging technologies—functional magnetic resonance imaging (fMRI) and positron emission tomography (PET)—to investigate how specific areas of the brain might be involved in acupuncture analgesia.

• Green Tea May Help Protect Against Rheumatoid Arthritis
  

  Rheumatoid arthritis (RA) is an autoimmune disease that affects more than 2.1 million Americans. It is characterized by joint pain, stiffness, inflammation, swelling, and sometimes joint destruction. Nonsteroidal anti-inflammatory drugs are the standard treatment for RA, but their prolonged use is associated with adverse effects and discomfort. Natural plant alternatives like green tea are being investigated for the management of RA. Green tea is the most widely consumed beverage in the world, and its polyphenols (substances rich in antioxidants) possess anti-inflammatory properties.

• St. John's Wort Extracts May Help Treat Major Depression
  

  Major depression is a disorder characterized by a depressed mood and/or a loss of interest in nearly all activities consistently for at least 2 weeks. People with major depression may also experience a variety of other symptoms such as loss of appetite, fatigue, sleep disturbance, irritability, difficulty concentrating, and thoughts of death or suicide. Extracts from the herb St. John's wort (Hypericum perforatum) are used in many countries, especially Germany, to treat depression. However, results from clinical trials worldwide have been contradictory, and the effectiveness of St. John's wort for depression is still questionable. Additionally, major depression is often treated with antidepressant drugs, which have only shown modest effects over placebo in clinical trials.

• New Statistics on Complementary and Alternative Medicine Use in the United States
  

  Approximately 38 percent of adults in the United States aged 18 years and over and nearly 12 percent of U.S. children aged 17 years and under use some form of complementary and alternative medicine (CAM), according to a new nationwide government survey. This survey marks the first time questions were included on children's use of CAM, which is a group of diverse medical and health care systems, practices, and products such as herbal supplements, meditation, chiropractic, and acupuncture that are not generally considered to be part of conventional medicine.

  The survey, conducted as part of the 2007 National Health Interview Survey (NHIS), an annual study in which tens of thousands of Americans are interviewed about their health- and illness-related experiences, was developed by the National Center for Complementary and Alternative Medicine (NCCAM), a part of the National Institutes of Health (NIH) and the National Center for Health Statistics (NCHS), a part of the Centers for Disease Control and Prevention (CDC). The survey included questions on 36 types of CAM therapies commonly used in the United States—10 types of provider-based therapies, such as acupuncture and chiropractic, and 26 other therapies that do not require a provider, such as herbal supplements and meditation.

  "The 2007 NHIS provides the most current, comprehensive, and reliable source of information on Americans' use of CAM," said Josephine P. Briggs, M.D., director of NCCAM. "These statistics confirm that CAM practices are a frequently used component of Americans' health care regimens, and reinforce the need for rigorous research to study the safety and effectiveness of these therapies. The data also point out the need for patients and health care providers to openly discuss CAM use to ensure safe and coordinated care.

• Herbs at a Glance Update: Black Cohosh
  

  This fact sheet provides basic information about the black cohosh—common names, uses, potential side effects, and resources for more information. Black cohosh, a member of the buttercup family, is a plant native to North America. It was used in Native American medicine and was a home remedy in 19th-century America.

  What It Is Used For

  • Black cohosh has a history of use for rheumatism (arthritis and muscle pain) but has been used more recently to treat hot flashes, night sweats, vaginal dryness, and other symptoms that can occur during menopause.
  • Black cohosh has also been used for menstrual irregularities and premenstrual syndrome, and to induce labor.
• December 1 Is World AIDS Day
  

  AIDS (acquired immunodeficiency syndrome) is caused by the human immunodeficiency virus, or HIV. By killing or damaging cells of the body's immune system, HIV progressively destroys the body's ability to fight infections and certain cancers. These infections are caused by viruses or bacteria that usually do not make healthy people sick.
  

  
  Many people infected with HIV or living with AIDS may be considering the use of complementary and alternative medicine (CAM) to boost their immune system; treat complications of disease; or cope with side effects of conventional medications.

• Ginkgo Evaluation of Memory (GEM) Study Fails To Show Benefit in Preventing Dementia in the Elderly
  

  In a study published in the Journal of the American Medical Association, 240 milligrams per day of the dietary supplement Ginkgo biloba was found to be ineffective in reducing the development of dementia and Alzheimer's disease in older people. Researchers led by Steven T. DeKosky, M.D., conducted the trial known as the Ginkgo Evaluation of Memory (GEM) study at four clinical sites over the course of 8 years. GEM is the largest clinical trial ever to evaluate ginkgo's effect on the occurrence of dementia.

  
  
  
  
  • Press Release—summary of results of the study
  
  
  • Questions and Answers—detailed background information on the study
  
  

  
  

• Massage Therapy May Ease Pain and Improve Mood in Advanced Cancer Patients
  

  People with advanced cancer often experience pain that causes physical and emotional distress, which leads to a decrease in functional ability and quality of life. Symptom relief is an important part of end-of-life care, and small studies have suggested that massage therapy may benefit people with advanced cancer.

  In a study funded in part by NCCAM, researchers investigated the benefits of massage versus simple touch therapy (placing both hands on specific body sites) in patients with advanced cancer. This multisite study—conducted at 15 U.S. hospices in the Population-based Palliative Care Research Network—included 380 participants with advanced cancer who were experiencing moderate-to-severe pain. Participants were randomly assigned to receive six 30-minute treatment sessions of either massage or simple touch therapy over a 2-week period.

• CAM and Hepatitis C: A Focus on Herbal Supplements
  

  Hepatitis C, a liver disease caused by a virus, is usually chronic (long-lasting), with symptoms ranging from mild (or even none) to severe. Conventional medical treatments are available for hepatitis C; however, some people also try complementary and alternative medicine (CAM) therapies, especially herbal supplements. This fact sheet provides basic information on hepatitis C, summarizes scientific research on the effectiveness and safety of selected supplements, and suggests sources for additional information.
  

  
  

  Key Points

  
  

  
  
  • No CAM treatment has yet been proven effective for treating hepatitis C or its complications.
  
  
  • It is important not to replace conventional medical therapy for hepatitis C with an unproven CAM therapy.
  
  
  • Tell your health care providers about any complementary and alternative practices you use. Give them a full picture of what you do to manage y