Cholesterol-Lowering Drugs(↓)

Listen to the material and fill in the Blanks:
Many heart problems simply come down to a matter of 1)____.
Just as your kitchen pipes can become clogged with 2)____ that obstructs water flow, clumps of fatty 3)____ can collect in your arteries, slowly blocking blood flow. Now cardiologists are investigating a new treatment to clear obstructions - a method some have 4)____“liquid Drano” for the heart.
In a small study conducted by Cleveland Clinic and the University of Florida, 47 patients received weekly intravenous injections of a synthetic form of HDL, the “good” cholesterol. All showed improvements in arterial health in just six weeks. But more research must be conducted before scientists know whether the experimental approach actually saves lives.
Scientists reported their findings in the Journal of the American Medical Association.
HDL cholesterol lowers the risk associated with elevated bad -- or LDL -- cholesterol levels. The higher your HDL, the lower your risk of heart attack. Experts say each point increase in HDL cholesterol translates to a two-to-three percent reduction in heart-disease risk. Typically, an HDL level over 60 is considered good.
The results were particularly 5)____ because they occurred so rapidly.
Normally, heart diseases progresses slowly, so many assumed undoing its effects would also take time. The approach is exciting, too, because not everyone successfully prevents heart disease 6)____ exercise, weight loss, diet and other healthy habits. Someday avoiding certain types of heart attacks could be as simple as receiving a 7)____ or taking a pill to 8)____ the arteries.

听写空缺的单词，并给出其在此处的含义。

Medical terms:
cholesterol n.胆固醇：一种白色结晶体物质，C27H 45OH，发现于动物细胞组织和多种食物中，一般由肝合成，作为细胞膜的组成部分是极为重要的，并且是类固醇荷尔蒙的前驱。在血流中的程度能影响特种疾病的发病，如动脉粥样硬化病和冠状动脉疾病的发展。
HDL abbr. high density lipoprotein[生化]高密度脂蛋白
LDL abbr.（略语）Low-density lipoprotein.

The answers will be seen after reply:

Coronary artery angiograms taken 5 years apart show the kind of results
that can be achieved with cholesterol-lowering drugs.