For half a century, the American Medical Association waged war against chiropractic, an intervention that relies on spinal adjustments to treat health problems. Chiropractors were regarded as the modern-day equivalent of snake-oil salesmen.
Today, chiropractors are the third largest group of health care providers, after physicians and dentists, who treat patients directly. AMA policy now states that it is ethical for physicians not only to associate professionally with chiropractors but also to refer patients to them for diagnostic or therapeutic services.
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