Ayurveda, Chinese medicine, Homeopathy and Naturopathy are cited as examples The term appears to have entered into usage through the National Institute of Health's National Center for Complementary and Alternative Medicine ( NCCAM ), which began to employ it as a substitute for alternative medical systems as a way of differentiating widely comprehensive systems of medicine, such as Ayurvedic medicine, from specialized alternative approaches.

Complementary medicine usually refers to methods and substances used along with conventional medicine, while alternative medicine refers to compounds used instead of conventional medicine.

The US National Center for Complementary and Alternative Medicine ( NCCAM ) classifies CAM therapies into five categories or domains, including: alternative medical systems, or complete systems of therapy and practice ; mind-body interventions, or techniques designed to facilitate the mind's effect on bodily functions and symptoms ; biologically based systems including herbalism ; and manipulative and body-based methods such as chiropractic and massage therapy.

Complementary and alternative medicine is not recommended for otitis media with effusion because there is no evidence of benefit.

However, a 2007 review states that, " Complementary and alternative therapies ( i. e., Echinacea, vitamin C, and zinc ) are not recommended for treating common cold symptoms ... Vitamin C prophylaxis may modestly reduce the duration and severity of the common cold in the general population and may reduce the incidence of the illness in persons exposed to physical and environmental stresses.

A survey released in May, 2004 by the National Center for Complementary and Alternative Medicine focused on who used complementary and alternative medicine ( CAM ), what was used, and why it was used in the United States by adults age 18 years and over during 2002.

The National Center for Complementary and Alternative Medicine ( NCCAM ), formerly the Office of Alternative Medicine ( OAM ), is a United States government agency dedicated to exploring complementary and alternative medicine ( CAM ) healing practices in the context of rigorous science, in training complementary and alternative medicine researchers, and in disseminating authoritative information to the public and professionals.

A survey released in May 2004 by the National Center for Complementary and Alternative Medicine focused on who used complementary and alternative medicines ( CAM ), what was used, and why it was used.

Alternative medicine encompasses identical methods used in both Complementary medicine and Alternative medicine, known collectively as Complementary and alternative medicine ( CAM ).

A survey released in May 2004 by the National Center for Complementary and Alternative Medicine focused on who used complementary and alternative medicine ( CAM ), what was used, and why it was used in the United States by adults age 18 years and over during 2002.

* Complementary medicine

The university had received more than $ 20 million in funding from different branches of the National Institutes of Health as of 2002 The university's Department of Physiology and the Institute for Natural Medicine and Prevention received $ 8 million from the NIH National Center for Complementary and Alternative Medicine ( NCCAM ) to establish the first research center in the U. S. specializing in natural preventive medicine for minorities.

Folk medicine may also be referred to as Traditional medicine, Alternative medicine, Indigenous medicine, Complementary medicine, Natural medicine.

* Fisher P. Complementary medicine in Europe.

* Institute for Complementary Medicine, a UK organization dedicated to educating the public about complementary medicine

In 2002, the U. S. National Center for Complementary and Alternative Medicine of the National Institutes of Health began funding clinical trials into the effectiveness of herbal medicine.

The National Center for Complementary and Alternative Medicine ( NCCAM ) classifies CAM therapies into five categories or domains:

A survey released in May 2004 by the National Center for Complementary and Alternative Medicine focused on who used ( CAM ), what was used, and why it was used in the United States by adults age 18 years and over during 2002.

The NIH's National Center for Complementary and Alternative Medicine states that overall, studies have shown that spinal manipulation can provide mild to moderate relief from low-back pain and appears to be as effective as conventional medical treatments.

Complementary methods ( such as over-the-counter supplements ) should always be discussed with one's doctor ( s ); some supplements can actually hinder treatments like chemotherapy.

Complementary angles are formed when one or more rays share the same vertex and are pointed in a direction that is in between the two original rays that form the right angle.

Complementary to graph transformation systems focussing on rule-based in-memory manipulation of graphs are graph databases geared towards transaction-safe, persistent storing and querying of graph-structured data.

Complementary tests based on conventional radiology techniques and modern technology are needed.

Complementary slices of lemon are generally served with the dish or take-away pack.

Complementary currency is a hypernym to local currency, but the terms are often used as synonyms.

Complementary currencies are a creative means to enhance this untapped social potential.

Complementary to the nuclear component there are two conventional boilers, installed as a backup in case of reactor failure.

Complementary opposites are pairs that express absolute opposites, like mortal and immortal.

The U. S. National Center for Complementary and Alternative Medicine has issued an advisory indicating the marketing claims made about colloidal silver are scientifically unsupported, the silver content of marketed supplements varies widely, and colloidal silver products can have serious side effects to the consumer, including " argyria ,... neurologic problems ( such as seizures ), kidney damage, stomach distress, headaches, fatigue, and skin irritation.

The 4000 series is a family of industry standard integrated circuits ( IC ) which implement a variety of logic functions using Complementary Metal – Oxide – Semiconductor ( CMOS ) technology, and are still in use today.

Complementary strategic forces within Russia are the Long Range Aviation and the Russian Navy's ballistic missile submarines.

Complementary colors are pairs of colors that are of “ opposite ” hue in some color model.

Complementary software development methods to systems development life cycle ( SDLC ) are:

Complementary colors are defined to mix to grey, either additively or subtractively, and many color models place complements opposite each other in a color wheel.

Its lists include two-time Nobel Prize winner Linus Pauling ( whose claims about mega-doses of vitamin C are criticized ), the National Center for Complementary and Alternative Medicine ( NCCAM ), and integrative medicine proponent Andrew Weil.

Complementary hue progressions are a type of bi-polar progression.

Complementary distribution is commonly applied to phonology, where similar phones in complementary distribution are usually allophones of the same phoneme.

Complementary to R is the transmission coefficient or transmittance, T. If absorption and scattering are neglected, then the value T is always 1 – R.

Complementary currencies lie outside the nationally defined legal realm of Legal tender and are not used as such.

Complementary themes in the book involve the tension of the individual vs. the group ( or government ) and the development of personal voice in mass culture.

Complementary currencies describe a wide group of exchange systems, currencies or scrips designed to be used in combination with standard currencies or other complementary currencies.