[2] In 2013 the U.S. Food and Drug Administration (FDA) warned a manufacturer for promoting the device for unapproved uses such as cerebral palsy and spinal cord injury.

[3] While PEMF therapy is claimed to offer some benefits in the treatment of fractures, the evidence is inconclusive and is insufficient to inform current clinical practice.

[6] In 2004, a pulsed electromagnetic field system was approved by the FDA as an adjunct to cervical fusion surgery in patients at high risk for non-fusion.

[citation needed][8][failed verification] Although claims that electricity might aid bone healing were reported as early as 1841, it was not until the mid-1950s that scientists seriously studied the subject.

Today, the majority of PEMF wellness devices resemble a typical yoga mat in dimensions but are slightly thicker to house several flat spiral coils to produce an even electromagnetic field.