(Reuters) – Healthcare stocks helped European shares recover on Thursday from their worst session in a month, even as hawkish Federal Reserve minutes and Washington’s new sanctions against Russia kept investors cautious. The pan-European STOXX 600 index rose 0.5% after losing 1.5% in the previous session. Defensives led the sectoral gains, with healthcare jumping 1.4% to a record. But a decline in basic material and oil stocks saw London’s commodity-heavy FTSE 100 index underperform regional peers. Shell dropped 1.2% after saying it would write down up to $5 billion in the first quarter as a r…