Cholesterol is a fat (also called a lipid) that your body needs to work properly. Cholesterol levels that are too high can increase your chance of getting heart disease, stroke, and other problems.
The medical term for high blood cholesterol is lipid disorder, or hyperlipidemia.
Lipid disorders; Hyperlipoproteinemia; Hyperlipidemia; Dyslipidemia; Hypercholesterolemia
Causes, incidence, and risk factors
There are many types of cholesterol. The ones talked about most are:
Total cholesterol - all the cholesterols combined
High density lipoprotein (HDL) cholesterol - often called "good" cholesterol
Low density lipoprotein (LDL) cholesterol - often called "bad" cholesterol
For most people, abnormal cholesterol levels are the result of an unhealthy lifestyle -- most commonly, eating a diet that is high in fat . Other lifestyle factors are:
Heavy alcohol use
Lack of exercise ...
Introduction Lipids are the building blocks of the fats and fatty substances found in animals and plants. They are microscopic layered spheres of oil, which, in animals, are composed mainly of cholesterol, triglycerides, proteins (called lipoproteins), and phospholipids (molecules made up of phosphoric acid, fatty acids, and nitrogen). Lipids do not dissolve in water and are stored in the body to serve as sources of energy. Cholesterol Cholesterol is present in all animal cells and in animal-based foods (not in plants). In spite of its bad press, cholesterol is an essential nutrient necessary for many functions, including: Repairing cell membranes Manufacturing vitamin D in the skin Producing hormones, such as estrogen and testosterone Possibly helping cell connections in the brain that are important for learning and memory Regardless of these benefits, when cholesterol levels rise in the blood, they can have dangerous consequences, depending on the type of cholesterol. Although the body acqu...
Everyone understands the importance of maintaining healthy cholesterol levels to protect their heart, but many are not aware of how high cholesterol levels threaten the health of their entire vascular system. Vascular diseases cause strokes, death from ruptured aortic aneurysm, pain when walking, or leg amputation in the worst cases. High levels of low-density lipoprotein cholesterol are one of the major risk factors for vascular disease that can result in paralysis, blindness, or speech abnormality due to stroke and even death by a ruptured aortic aneurysm. The vascular system is made up of all the body’s arteries and veins. Healthy vessels are smooth and unobstructed, allowing oxygen-rich blood to flow freely and deliver glucose and nutrients to the vital organs, brain, legs, and arms. Typically with age, the vessels build up plaque, a sticky substance made up mostly of fat and cholesterol. The plaque narrows the passageway within the vessels and causes them...
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