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 during normal pregnancy pressure
Blood Pressure During Pregnancy
information about blood pressure during your pregnancy.

ScienceDirect - American Journal of Hypertension : Home Blood
Upper limits of normal daytime ambulatory and home systolic and diastolic blood pressure (BP) values during normal pregnancy in previously published studies

Blood Pressure Patterns in Normal Pregnancy, Gestational
Blood Pressure Patterns in Normal Pregnancy, Gestational Hypertension, the daily pattern of blood pressure during the trimesters of pregnancy in

Pregnancy: When you have high blood pressure - CNN.com
Why is high blood pressure a problem during pregnancy? High blood pressure can Are there different types of high blood pressure during pregnancy?

High Blood Pressure During Pregnancy Boosts Disease Risk Later in
Women who had high blood pressure during pregnancy had twice the risk of stroke as those who had normal pressure during pregnancy.

BMJ BestTreatments :: Conditions :: Pre-eclampsia :: Blood
During the first half of your pregnancy, your blood pressure will probably go lower than normal. This is because your hormones make your arteries open wider

Pre-eclampsia - high blood pressure during pregnancy
During a normal pregnancy, your blood pressure will gradually fall until around the 14th week of pregnancy and then slowly returns to normal by the end.

High Blood Pressure During Pregnancy -- familydoctor.org
Information about high blood pressure during pregnancy from the American Academy Preeclampsia: Your blood pressure will go back to normal within 6 to 12

Pre-eclampsia and High Blood Pressure During Pregnancy
If you have high blood pressure during pregnancy but had normal blood pressure before pregnancy, your pressure is likely to go back to normal after you have

High Blood Pressure During Pregnancy (Preeclampsia) | Caremark
If I develop high blood pressure during pregnancy, does that mean I have But if your normal or baseline blood pressure reading tends to be on the lower

ACOG Education Pamphlet AP034 -- High Blood Pressure During Pregnancy
Many women with chronic hypertension can stop taking medication during pregnancy because their blood pressure returns to normal.

Preeclampsia and High Blood Pressure During Pregnancy - Topic
After delivery, mild high blood pressure that has not worsened during the pregnancy and has returned to normal within 12 weeks can be termed "transient

Preeclampsia and High Blood Pressure During Pregnancy - What
Normally, a pregnant woman's blood pressure drops during the second trimester and then gradually returns to normal throughout the remainder of her pregnancy

High blood pressure during pregnancy - preeclampsia - WebMD
Normally, a womanâ™s blood pressure drops during her second trimester. Then it returns to normal by the end of the pregnancy. But in some women,

High Blood Pressure in Pregnancy
Women with pre-existing, or chronic, high blood pressure are more likely to have certain complications during pregnancy than those with normal blood

High Blood Pressure During Pregnancy - March of Dimes
While some medications to lower blood pressure are safe during pregnancy, . Higher-than-normal weight To find out if you were overweight before

Normal Blood Pressure during pregnancy? at StorkNet's Pregnancy Cubby
My so called 'normal' during pregnancy is 130/80 and non-pregnant is 115/70. What determines the 'normal'? A. A "desirable" blood pressure is less than

Pregnancy week by week - pregnancy calendar - pregnancy stages
This is because the diagnosis of high blood pressure during pregnancy is often A pregnant woman may have a normal blood pressure as low as 90/50 or as

Pregnancy week by week - pregnancy calendar - pregnancy stages
High blood pressure during pregnancy is always of some concern. 10% of pregnant women will have their blood pressure recorded as being 'above normal' at


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