Or failing that, a dehumidifier might stop the bacteria/mold/whatever from doing its thing.
LSD (well not quite, its a bit like raw nutmeg containg the non amide precursor to E)is produced by a bacteria that grows in wheat (Ergot). Its a theory as to where 'whitchcraft' came form in medieval times, as quite often the whole town would becme possessed. The diesease is coloquialiy called 'St Anthonys Fire', or more recently, 'tripping' :p
As for haunted houses, my mums side of the family use to live in a big old house on the site of an old convent, just up from the shore where the slave ships used to anchor waiting for the tide to turn and sail into Lancaster. Some proper stories about noises in that house, including a drummer boy who'd cry on the stairs.
