All health treatments have the potential for adverse effects.

 

On very rare occasions, neck adjustments associate to stroke and stroke-like symptoms.

 

A scientific study published in February 2008 looked at data from Ontario hospitals over a nine-year period covering over 100 million person-years.

 

The authors of this study found no evidence of excess risk of stroke associated with chiropractic care compared to medical doctors care (“primary care”).

 

The most reasonable explanation in both instances related to timing.

 

Early symptoms of a stroke in progress can be neck and/or head pain.

 

This may lead the patient to seek care from a chiropractor or doctor for this pain.