The euro zone 's permanent rescue fund , the european stability mechanism ( esm ) , may come into operation as soon as june , a year earlier than planned , and will be able to respond to a new emergency as soon as 85 % of the euro zone ( by voting weights ) gives it clearance .
Another question is whether continuous clearance of senescent cells is needed to produce health benefits , or whether intermittent removal -- a spring cleaning of sorts -- is just as effective , the study 's authors said .