---What is Cholesterol?--
Cholesterol is a waxy, fat-like substance found in every cell of the body. It is essential for producing hormones, vitamin D, and substances that help digest foods. The body makes all the cholesterol it needs, but it can also be absorbed from animal-based foods.
....Effects of Cholesterol---
Cholesterol plays several important roles in the body, including:
Cell Membrane Structure: It helps to maintain the integrity and fluidity of cell membranes.
Hormone Production: Cholesterol is a precursor for steroid hormones, including sex hormones and corticosteroids.
Vitamin D Synthesis: It is necessary for the production of vitamin D when the skin is exposed to sunlight.
Bile Acid Formation: Cholesterol is converted into bile acids, which aid in digestion and absorption of dietary fats.
--Symptoms of High Cholesterol--
High cholesterol itself typically does not cause symptoms. However, it can lead to conditions that may have symptoms, such as:
Chest pain (angina)
Heart attack
Stroke
Peripheral artery disease (PAD)
---Who is at Risk?---
Several factors can increase the risk of high cholesterol, including:
...Diet: High intake of saturated and trans fats.
....Obesity: Excess weight can raise cholesterol levels.
.....Lack of Exercise: Physical inactivity can contribute to weight gain and higher cholesterol.
....Age: Cholesterol levels tend to rise as people age.
.....Genetics: Family history can play a significant role in cholesterol levels.
....Medical Conditions: Diabetes and hypothyroidism can affect cholesterol levels.
....Smoking: Tobacco smoke can lower good cholesterol (HDL) levels.
---Types of Cholesterol---
--Cholesterol is carried in the blood by lipoproteins, which come in several types:
--Low-Density Lipoprotein (LDL): Often referred to as "bad" cholesterol; high levels can lead to plaque buildup in arteries.
.....High-Density Lipoprotein (HDL): Known as "good" cholesterol; helps remove other forms of cholesterol from the bloodstream.
Very Low-Density Lipoprotein (VLDL): Contains mostly triglycerides and is also considered a type of bad cholesterol.