So far, research hasn't established that mephedrone is definitely an amphetamine, but, with teenagers dying, action needed to be taken.
New York City and Philadelphia already require chain restaurants to post calorie counts, but so far, research seems to show minimal impact on consumer behavior.
Speaking at a global conference on heart disease in Rome, leading heart disease expert Prof Giovanni de Gaetano said: "So far research has focused on the general population, which is mainly composed of healthy people.
So far, research into the clubs has only focused on children on the autistic spectrum but Dr Gomez-de-la Cuesta believes the therapy could be applied to a much wider range of difficulties, including social and emotional problems and nonverbal learning disorders.
So far, research about the automatic recognition and conversion of symbols has not been reported.
Thus far, research has produced mixed results regarding the early contextual influence on lexical access.
So far, research into candidate genes has largely been based on biological and clinical hypotheses.
But so far, research has been limited to small clusters of farms.
Thus far, research on S. bambusicola has focused on strain mutagenesis and product fermentation (Song et al. 2015).
So far research has been successful on a pig's stomach, but no humans have been tested yet.
So far, research has been focused on stimulus orientation which indicates the necessary amount of mental rotation.
