Almo t half the p ople with high chole terol also have high blood pressure; about 40% of those with high blood pressure a/so have high cholesterol. " I t IIi 'd, Yet approximately on -third of Americans ay they know "little" or "nothing" about the ri ks of high cho- 1 terol or high blo d pres ure acĀ­ cording to a Gallup SUIV y of 1 000 adults, Of th( urveyed, 66 P Ii nt don't kno their chol tern I arid 59 percent don t know their bl d pr - sure numbers. "You can't confront your ri k of heart attack until you know your ch - lesterol and blood pre ure. nurn- m king amily hi tory High High blood pre 10% ial dan OM P OP have a predominance of oft plaque in' their art ries but researchers don't know why, "Current eviden does confirm that lowerin high blood levels of lDL cholesterol i a key tcp in lowin th formation of plaqu in the arteri ," Ambrose aid. at t public thin a high chol terol and heart di ea ri k ta: I will ')" "0 cto who hay pan n with 'fJ- cry Ma he Pr babl 1 - t at all lowe.: o n ur P ti nt mpli n allow f r arly id nti-