What You Need To Know!

The NeeD-To-Know Guide of Cholesterol, LDL, And HDL!

What is LDL?

LDL is low-density lipoproteins. It is commonly referred to as "bad cholesterol" when it really isn't even cholesterol.

LDL is what transfers cholesterol from the liver to the bloodstream. When cholesterol builds up in the bloodstream that can be bad which is why it is referred to as "bad cholesterol."

Normal LDL levels are less than 110 mg/dL.

LDL levels should be low, here is how to lower it and keep it low:

-avoid foods with high saturated fat, dietary cholesterol, and excess calories

-increase exercise

-and maintain a healthy weight

And How Can You Control It?


What is HDL?

And How Can You Control It?

HDL is high-density proteins. They are commonly referred to as the "good cholesterol" when HDL isn't cholesterol either.

HDL takes the cholesterol back to the liver from the bloodstream. This prevents the fatty build up and formation of plaque in the bloodstream. This is why it is know as the "good cholesterol" because it takes cholesterol out of the bloodstream.

Normal HDL levels are greater than 60 mg/dL.

HDL levels should be as high as they can and ways to increase levels are:

-exercising for at least 20 minutes, 3 times a week

-avoiding saturated fat intake

-and decreasing body weight


How do LDL and HDL differ structurally and functionally?

LDL carries cholesterol from liver to cells in the body. Excess LDL stays in the bloodstream and can build up. The HDL keeps everything moving and carries cholesterol back to the liver.

LDL is 50% cholesterol and 25% protein where as HDL is 20% cholesterol and 50% protein.

LDL contains B-100 proteins and HDL contains A-1 and A-11 proteins.

HDL is also larger than LDL.


Why do doctors monitor the concentrations of LDL and HDL in patients' blood?

Doctors monitor the concentrations of LDL and HDL in the bloodstream because if levels are too high or too low it can lead to heart diseases later on in life.

Things that can contribute to high cholesterol choices are:


-poor diet choices


-and family history of high cholesterol

The normal level of cholesterol in the bloodstream should be less than 170-180 mg/dL.

What do the results of a cholesterol test mean?

The results of a cholesterol tests can tell you if your cholesterol is too high, too lower, or is in the acceptable range.

If cholesterol is too high or too low it can lead to heart disease and other health problems

Normal cholesterol levels are less than 170 mg/dl. If it is 170-199 mg/dL than it is borderline high. If it is anywhere above 200 mg/dL it is high and that is potentially very bad and even fatal.

Normal LDL levels are less than 110 mg/dL. 110-129 mg/dL is borderline high. 130 mg/dL or high is high and very dangerous.

Normal HDL levels are greater than 60 mg/dL. 40-59 mg/dL it needs to be higher. If it is below 35-40 it can put you at risk of heart disease.

What Are Triglycerides?

Triglycerides are monitored alongside LDL and HDL. It is another form of fat found in the bloodstream. High triglyceride levels can lead to high LDL levels and low HDL levels.

Diabetes, hypothyroidism, kidney disease, liver disease, obesity, and high intakes of fat, alcohol, and concentrated sweets can all lead to high levels of triglycerides.

Normal triglyceride levels are less than 150 mg/dL.

How are LDL and HDL related to Heart Disease?

High LDL levels can lead to atherosclerosis (build-up of fats, cholesterol, and other substances in and on the artery walls) which can lead to risk of heart attack or ischemic stroke (a result of an obstruction within a blood vessel supplying blood to the brain).

HDL reduces the risk of cardiovascular disease and if your levels are too low than it increases your chance of heart disease.


How Can What You Eat Affect Your Health?

Eating saturated fats and trans fats increase your cholesterol. Limiting saturated fats and trans fats and increasing unsaturated fats can benefit your level of cholesterol greatly and can make it a healthier number.


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