High Cholesterol Explained by a Mountain View Primary Care Doctor

Understanding High Cholesterol: What It Means and Why It Matters

High cholesterol means there is too much cholesterol circulating in the blood, especially low-density lipoprotein (LDL), often called “bad” cholesterol. Cholesterol is a waxy, fat-like substance. Cholesterol itself is essential for building cell membranes and producing hormones, but having too much can become harmful.

Why is high cholesterol harmful?

When LDL cholesterol is too high, it can deposit in the walls of arteries, forming plaques. Over time, these plaques narrow and harden the arteries, a process called atherosclerosis, which restricts blood flow. This can lead to serious health problems:

• Coronary artery disease

• Heart attacks

• Strokes

• Peripheral artery disease

High cholesterol also drives low-grade inflammation and endothelial dysfunction, which further accelerates cardiovascular disease.

Effects beyond the heart

Excess cholesterol doesn’t just affect blood vessels. Research shows that cholesterol buildup can contribute to:

• Liver disease

• Diabetes

• Chronic kidney disease

• Certain neurodegenerative conditions, including Alzheimer’s disease

In recent years, scientists have recognized that cholesterol-induced toxicity can affect many organs, not just the heart.

What increases your risk of high cholesterol?

Several factors can play a role:

• Genetics (family history of high cholesterol)

• Age

• Diet high in saturated or trans fats

• Excess weight or obesity

• Sedentary lifestyle

While some factors can’t be changed, many can be improved through lifestyle choices.

How to manage and lower cholesterol

Healthy habits can make a meaningful difference:

• Eating a healthy diet

• Reducing saturated fats and eliminating trans fats

• Exercising regularly

• Maintaining a healthy weight

For some people, lifestyle changes alone aren’t enough. Medications, including statins and newer agents, can be highly effective at lowering LDL and reducing long-term cardiovascular risk.

In summary

High cholesterol remains one of the most important risk factors for cardiovascular disease. Its effects extend beyond the heart, influencing overall metabolic and organ health. Through a combination of healthy habits and, if needed, medications, high cholesterol can be managed effectively to protect long-term health. If it’s been a while since your last cholesterol test, consider scheduling a visit. It can give you valuable insight into your heart health.

Dr. Sapna Rajput, D.O.

Board Certified in Family Medicine

Civil Surgeon

525 South Drive, Suite 101

Mountain View, CA 94040

650-254-6665

frontdesk@drsapnanrajput.com

About the Author:

Dr. Sapna Rajput is a board-certified family medicine physician in Mountain View, CA. She focuses on preventive care, chronic disease management, and musculoskeletal medicine, helping patients stay active and healthy at every stage of life.