<prompt> All except one is true about Hot flushesAffects only upper trunk and head and neckStarts to occur a year before menopauseoccurs upto one year after menopausePossible role of serotonin is implicated  <response>: Hot flushes start to occur a year or two before menopause, intensify in 1st year after menopause and on an average last upto 5 years. 