Jules Hellerich
Hour 6

What is LDL?

LDL is a lipoprotein that contributes to plaque, a thick, hard, substance that can clog arteries and make them less flexible.

What is HDL?

HDL is a lipoprotein that helps remove excess cholesterol from the blood stream and transports it to the liver.

Monitoring concentrations of LDL and HDL

Too much cholesterol in the blood can cause a build-up inside the arteries. Doctors monitor these to make sure theres a balance  that keeps circulating lipids from clotting.

Structure and function of LDL

The main difference is their compositions. LDL is 50% cholesterol and 25% protein. LDL bring cholesterol to your cells throughout your body and can cause buildup in arteries.

Structure and function of HDL

HDL differs from LDL because it is made up of 50% protein and 25% cholesterol. HDL also Benefits your health by carrying cholesterol away from your heart and organs delivering it back to liver.

How do LDL and HDL associate with heart attacks?

High levels of LDL cholesterol lead to atherosclerosis increasing the risk of heart attack and ischemic stroke. HDL reduces the risk of cardiovascular disease as it carries away cholesterol from blood stream.

What other molecules are monitored along with LDL and HDL?

Lipoprotein analysis measures blood levels of total cholesterol, LDL, HDL, and triglycerides.

What can you do to change your LDL and HDL?

-Eat a healthy diet

-Maintain a healthy weight

-No smoking

-Exercise at least 30 min daily

-Treat high cholesterol

Effect of intake of fats

Monounsaturated fats and polyunsaturated fats are good for the heart, but having too much saturated and trans fat can cause cholesterol level to rise.

What do cholesterol tests mean?

How does intake of unsaturated , saturated, and trans fats affect cholesterol levels and overall health?

Can cause high cholesterol leaving more change for heart disease

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