life-support life-support system life-support systems life-supporting life-sustaining life-threatening life-threatening allergic life-threatening complication life-threatening complications life-threatening condition life-threatening conditions life-threatening disease life-threatening diseases life-threatening emergency life-threatening health life-threatening illness life-threatening illnesses life-threatening infection life-threatening infections life-threatening injuries life-threatening medical life-threatening situation life-threatening situations life-time life-work life+ lifebelts lifeblood lifeboat lifeboat station lifeboats lifebook lifebuoy lifecare lifeco lifecycle lifecycle approach lifecycle costs lifecycle management lifecycle services lifecycles lifeforce lifeform lifeforms lifeguard lifeguard on duty lifeguard project lifeguard station lifeguard tower lifeguarding lifeguards lifehacker lifehouse lifejacket lifejackets lifeless lifeless bodies lifeless body lifeless corpse lifeless eyes lifeless planet lifelike lifeline lifelines lifelock lifelong lifelong ambition lifelong bachelor lifelong battle lifelong career lifelong commitment lifelong companion lifelong condition lifelong consequences lifelong dream lifelong dream of mine lifelong education lifelong fan lifelong fascination lifelong friend lifelong friends lifelong friendship lifelong friendships lifelong guidance lifelong habit lifelong health lifelong immunity lifelong interest lifelong journey lifelong learner lifelong learners lifelong learning lifelong learning has lifelong learning programme lifelong learning programmes lifelong learning strategies lifelong learning strategy lifelong love lifelong maintenance