November 11, 2025

Cholesterol 101: What Really Causes Your Levels to Go Up and Which Myths You Should Stop Believing

By:
Bryan O’Sullivan
Clinical Research Specialist

As we approach the holiday season, and our diets become overloaded with sweet treats and rich dinners, many people find themselves with questions regarding their cholesterol levels and how to keep them within a healthy range.

So, this blog post will be dedicated to debunking a couple of widely-believed myths about cholesterol so we can all feel like we have a better grasp on the situation.

But first…

Here’s a brief overview of what exactly cholesterol is and how it affects the body:

Cholesterol is a type of fat that exists as a waxy substance in our blood. When your cholesterol levels rise—usually because of a poor diet and/or lack of exercise, but your genetics can play a part in causing you to have high cholesterol, too—it can clog up your arteries, which leads to an increased risk of blood clots, heart attacks, strokes, and many other dangerous consequences.

The basic medical guidelines for keeping your cholesterol low are: eat a generally healthy diet, smoke and drink with moderation, and exercise most days of the week for at least 30 minutes. Of course, all of this is easier said than done. And that’s where Velocity Health comes in, providing you with your own personal team of doctors and accountability coaches to guide you on your health journey. But we’ll talk more about that later.

For now, let’s debunk those cholesterol myths.

Myth #1

“If I feel fine and I’m thin/fit, my cholesterol levels must be fine, too

If only it were that simple. Unfortunately, high cholesterol has no symptoms of its own, and many adults with high cholesterol report feeling perfectly healthy.

Even if someone is not overweight, they still may have cholesterol issues as a result of their genetics or some hidden metabolism disruption.

The only way to know for sure what your cholesterol levels are is to get a blood test.

Myth #2

“If I have high HDL, that means I’m safe, no matter what my LDL numbers are.”
The Velocity perspective

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