What are the sources of cholesterol?

Cholesterol is a waxy substance that is naturally found in the body and is essential for the proper functioning of the cells and certain hormones. It is carried throughout the body in the bloodstream by lipoproteins, which are particles made up of protein and fat.

Sources of cholesterol can be divided into two categories:

1. Dietary cholesterol: This is the cholesterol that is found in the foods we eat. Foods that are high in dietary cholesterol include:

* Red meat

* Fatty meat

* Poultry with skin

* Full-fat dairy products

* Eggs

* Shellfish

2. Endogenous cholesterol: This is the cholesterol that is produced naturally by the body. The liver is the main organ responsible for producing cholesterol, but it is also produced by other tissues in the body.

Factors that can affect cholesterol levels:

* Genetics: Some people are more likely to have high cholesterol due to their genes.

* Age: Cholesterol levels tend to increase with age.

* Gender: Men tend to have higher cholesterol levels than women.

* Weight: People who are overweight or obese are more likely to have high cholesterol.

* Physical activity: Regular exercise can help to lower cholesterol levels.

* Diet: A diet that is high in saturated and trans fats can raise cholesterol levels, while a diet that is rich in fruits, vegetables, and whole grains can help to lower them.

High cholesterol is a risk factor for heart disease and stroke. It is important to keep your cholesterol levels in check by eating a healthy diet, exercising regularly, and managing your weight. If you have high cholesterol, talk to your doctor about medication and other treatments that may be right for you.