One of the biggest concerns associated with regularly eating large amounts of pork fat is its effect on blood lipids.

The body needs cholesterol for important functions, including making hormones and building cell membranes. The liver produces cholesterol naturally, and dietary patterns can influence blood cholesterol levels.

When a diet is consistently high in saturated fat, LDL cholesterol can increase in many individuals.

The problem with high LDL is that it can contribute to atherosclerosis, a gradual process in which fatty deposits accumulate within artery walls.

Over many years, these deposits can contribute to cardiovascular disease.

The process is usually silent.

A person with elevated LDL cholesterol may not experience headaches, chest pain, dizziness, or any other obvious symptom. They may continue working, exercising, and eating normally while their cardiovascular risk is increasing.

This is why cholesterol testing can be useful.

A routine blood test can reveal information that cannot be obtained simply by asking someone how they feel.

However, saturated fat is only one factor.

The overall dietary pattern matters. A diet dominated by fatty meats, processed foods, refined carbohydrates, and excess calories can have a very different effect from a diet that contains moderate amounts of animal fat alongside vegetables, legumes, whole grains, fruits, nuts, and other nutrient-rich foods.

Physical activity also matters.

Body weight, smoking, alcohol consumption, blood pressure, diabetes, family history, age, and genetics can all influence cardiovascular risk.

This is why it would be inaccurate to say:

“Eating pork fat causes heart disease.”

The more scientifically accurate statement is that a diet high in saturated fat can contribute to elevated LDL cholesterol and, in turn, cardiovascular risk, particularly when combined with other risk factors.

The amount consumed is also important.

Occasionally eating a fatty pork dish is very different from eating large portions of pork fat every single day.

Frequency and portion size can transform an occasional food into a substantial source of daily saturated fat and calories.

Chapter 3: The Problem May Be Happening Without Any Symptoms

One of the most misleading aspects of cardiovascular risk is that many important changes can occur silently.

High LDL cholesterol usually does not cause a person to feel sick.

High blood pressure often produces no obvious symptoms either.