Definition of inference for English Language Learners. : 1  the act or process of reaching a conclusion about something from known facts or evidence. : 2  a conclusion or opinion that is formed because of known facts or evidence.
Causes of Clogged Arteries. There are many substances and properties that can circulate with the blood, including cholesterol, calcium, fat, fibrin and cellular waste. When these substances accumulate on the inner walls of the arteries, they turn into plaque buildup.
Why Our Arteries Become Clogged As We Age. Artwork of a human heart showing narrowing of the coronary arteries due to atherosclerosis on the artery wall. The narrowing causes abnormal clotting, which blocks the vessel and starves the heart muscle of blood, causing a heart attack.