简介:“Bodyclocks”arebiologicalmethodsofcontrolingbodyactivities.Everylivingthinghasone.Inhumans,abodyclockcontrolsnormalperiodsofsleepingandwaking.Itcontrolsthetimeswhenyouaremostlikelytofeelpain.Eating,sleepingandexercisingataboutthesametimeeachdaywillhelpkeepbodyactivitiesnormal.Butchangesinyourlife,anewjob,forexample,destroythebalanceandthuscausehealthproblems.