onÂ·colÂ·oÂ·gy. The study or science dealing with the physical, chemical, and biologic properties and features of neoplasms, including causation, pathogenesis, and treatment. oncology. /onÂ·colÂ·oÂ·gy/ (ong-kolÂ´ah-je) the sum of knowledge regarding tumors; the study of tumors.
Atherosclerosis in Your 40s and 50s. In men after age 50, the rate of atherosclerosis development accelerates markedly. In women, this increased risk is delayed until age 60. By this time, even if you don't have any evidence of atherosclerosis, your lifetime chances of developing its complications are greater than 50%.therosclerosis in Your 20s and 30s. Atherosclerosis is the last thing on most young adults' minds. But early forms of atherosclerosis are frequently present in our 20s and 30s. Almost no one suffers complications from atherosclerosis at this age.
Atherosclerosis is a disease in which plaque builds up inside your arteries. Arteries are blood vessels that carry oxygen-rich blood to your heart and other parts of your body. Plaque is made up of fat, cholesterol, calcium, and other substances found in the blood. Over time, plaque hardens and narrows your arteries.This limits the flow of oxygen-rich blood to your organs and other parts of your body. Atherosclerosis can lead to serious problems, including heart attack, stroke, or even death.escribes how the build-up of plaque over time causes atherosclerosis which can lead to serious problems, including heart attack, stroke, or even death. Shows how in atherosclerosis, plaque builds up inside the arteries which can cause a heart attack.