This was despite repeated clinical trials which have found that homeopathic medicines - which contain heavily diluted traces of the substancecausing the illness - are ineffective.
Energy is delivered from the laser to the target, causing its outer layer to explode, which drives the inner substance of the target inwards, compressing it massively.
"Diagnoses made casually and based on insufficient evidence can stick with someone for life, causing needless stigma and affecting job and insurance opportunities long after the substance problem has resolved, " he says.