. ▁ ▁Ev idence ▁does ▁not ▁support ▁a ▁benef icial ▁role ▁for ▁om ega - 3 ▁fat ty ▁acid ▁supp lement ation ▁in ▁prevent ing ▁card i ov asc ular ▁disease ▁( including ▁my oc ard ial ▁inf ar ction ▁and ▁sudden ▁card iac ▁death ). ▁There ▁is ▁tent ative ▁evidence ▁that ▁int ake ▁of ▁men aqu in one ▁( V it amin ▁K 2 ), ▁but ▁not ▁ph yl lo quin one ▁( V it amin ▁K 1 ), ▁may ▁reduce ▁the ▁risk ▁of ▁C AD ▁mort ality . ▁ ▁Second ary ▁prevent ion ▁Second ary ▁prevent ion ▁is ▁prevent ing ▁further ▁sequ ela e ▁of ▁already ▁established ▁disease . ▁Effect ive ▁l ifest yle ▁changes ▁include : ▁We ight ▁control ▁Sm oking ▁c ess ation ▁ ▁A vo iding ▁the ▁consumption ▁of ▁trans ▁f ats ▁( in ▁partially ▁hydro gen ated ▁o ils ) ▁ ▁Dec re asing ▁psych oso cial ▁stress ▁Ex erc ise ▁ ▁Aer ob ic ▁exercise , ▁like ▁walking , ▁jog ging , ▁or ▁sw imming , ▁can ▁reduce ▁the ▁risk ▁of ▁mort ality ▁from ▁coron ary ▁ar tery ▁disease . ▁Aer ob ic ▁exercise ▁can ▁help ▁decrease ▁blood ▁pressure ▁and ▁the ▁amount ▁of ▁blood ▁ch ol ester ol ▁( LD L ) ▁over ▁time . ▁It ▁also ▁increases ▁HD L ▁ch ol ester ol ▁which ▁is ▁considered ▁" good ▁ch ol ester ol ". ▁ ▁Although ▁exercise ▁is ▁benef icial , ▁it ▁is ▁unclear ▁whether ▁do ctors ▁should ▁spend ▁time ▁coun sel ing ▁patients ▁to ▁exercise