Cholesterol

Cholesterol is a waxy, fat-like substance found in all cells of the body, essential for the formation of cell membranes, certain hormones, and vitamin D. It plays a critical role in the synthesis of bile acids, which aid in the digestion of fats. Cholesterol travels through the bloodstream in lipoprotein particles; low-density lipoprotein (LDL) is often referred to as 'bad' cholesterol because high levels can lead to plaque buildup in arteries, increasing the risk of heart disease and stroke. High-density lipoprotein (HDL), known as 'good' cholesterol, helps remove other forms of cholesterol from the bloodstream.

The body produces cholesterol naturally, but its levels can be influenced by dietary intake, particularly from foods high in saturated and trans fats. Medical professionals monitor cholesterol levels through blood tests, advising on lifestyle modifications and medications like statins when necessary to manage high cholesterol. It is important to maintain a balance, as both excessive and insufficient cholesterol levels can have negative health implications. Healthy lifestyle choices, including a balanced diet, regular physical activity, and avoiding tobacco smoke, contribute to the maintenance of optimal cholesterol levels and cardiovascular health.