What is Cholesterol?

Cholesterol is a sterol (a combination steroid and alcohol). Cholesterol is a lipid found in the cell membranes of all tissues, and it is transported in the blood plasma of all animals. Because cholesterol is synthesized by all eukaryotes, trace amounts of cholesterol are also found in membranes of plants and fungi.The name originates from the Greek chole- (bile) and stereos (solid), and the chemical suffix -ol for an alcohol, as researchers first identified cholesterol in solid form in gallstones by Francois Poulletier de la Salle in 1769. However, it is only in 1815 that chemist Eugene Chevreul named the compound "cholesterine".[2]Most of the cholesterol is synthesized by the body and some has dietary origin. Cholesterol is more abundant in tissues which either synthesize more or have more abundant densely-packed membranes, for example, the liver, spinal cord and brain. It plays a central role in many biochemical processes, such as the composition of cell membranes and the synthesis of steroid hormones. Cholesterol is insoluble in blood, but is transported in the circulatory system bound to one of the varieties of lipoprotein, spherical particles which have an exterior composed mainly of water-soluble proteins. The main types, low-density lipoprotein (LDL) and high-density lipoprotein (HDL) carry cholesterol from and to the liver.According to the lipid hypothesis, abnormally high cholesterol levels (hypercholesterolemia) and abnormal proportions of LDL and HDL are associated with cardiovascular disease by promoting atheroma development in arteries (atherosclerosis). This disease process leads to myocardial infarction (heart attack), stroke and peripheral vascular disease. As high LDL contributes to this process, it is termed "bad cholesterol", while high levels of HDL ("good cholesterol") offer a degree of protection. The balance can be redressed with exercise, a healthy diet, and sometimes medication.

blood pressure screenings
AAP News Release - Blood Pressure Screening Should Start by Age 3
The report, published as a supplement to the August issue of Pediatrics, urges primary care physicians to begin screening children for high blood pressure

Star Courier Online - News
KEWANEE â” The Henry and Stark County Health Departments announce next month's free blood pressure screening clinic is Wednesday, Jan. 2.

MedlinePlus: High Blood Pressure
Screening for High Blood Pressure: U.S. Preventive Services Task Force Recommendation(American College of Physicians). Return to top; Nutrition

Prevention Experts Urge High Blood Pressure Screening for All
The Task Force found insufficient evidence to recommend for or against blood pressure screening of children and adolescents, an "I" recommendation.

FOXNews.com - Haircut, Shave and a Blood Pressure Screening
Haircut, Shave and a Blood Pressure Screening? Inner City Barbershops Double as Health Clinics, Shave and a haircut and a blood-pressure check.

|| DukeMedNews || Duke Health Brief: Blood Pressure Screening
Since many health problems, including cardiovascular diseases, originate in childhood, the current epidemic of childhood obesity in the United States has

Blood Pressure Screenings Should Start in Childhood
Growing concerns about childhood obesity have prompted new recommendations that screening for high blood pressure begin as early as age 3.

Free Drop-In Blood Pressure Screening - Kidscal.org
Drop-in blood pressure screenings. Open to everyone. Cost:, Free. Contact:. Emily (650) 934-7380 riskee1@caminomedical.org

Clark State - Blood Pressure Screening
The Health Clinic conducts blood pressure screenings on both campuses, during the second week of each quarter.

Blood Pressure Screenings - The Chester County Hospital
Free blood pressure screenings are available throughout the county. A trained health professional will take your blood pressure and provide you with

Montgomery County Public Libraries<br> Calendar of Events
Most Popular Pages, Ask-a-Librarian, A to Z List of Databases, Audio eBooks, Biz Info, Branches and Hours, Calendar of Events, Catalog, Contact Us

Blood Pressure Screening
Blood Pressure Screening. About one in every four American adults has high blood pressure. Once high blood pressure develops, it usually lasts a lifetime.

Cholesterol and Blood Pressure Screening
The screening provides individuals with the opportunity to learn more about their health. Total cholesterol, HDL cholesterol (good) and blood pressure will

Know Stroke: Blood Pressure Screenings
A self-service blood pressure screening station is currently available outside the entrance to the Oregon Heart & Vascular Institute.

Screening for High Blood Pressure: Recommendations and Rationale
This statement summarizes the current U.S. Preventive Services Task Force (USPSTF) recommendation on screening for high blood pressure, and updates the 1996

Screening: High Blood Pressure
Recommendations on screening for high blood pressure from the US Preventive Services Task Force (USPSTF).

Prevent and Control High Blood Pressure: Mission Possible
Abstract:, Blood Pressure Screening after the main 11:00 am service at The Episcopal Title:, Community Health Awareness: High Blood Pressure Screening

National High Blood Pressure Education Month
General Guide for High Blood Pressure Screening, Referral, and Follow Up Blood pressure screening may take place at a specially organized event or at


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