5 Cholesterol Myths

You knew there was a bit of an over-emphasis (bordering on obsession) about cholesterol, right? Before we jump into some myths let's make sure we're on the same page when it comes to what exactly cholesterol is.

Myth #1: Cholesterol is cholesterol

While cholesterol is an actual molecule, what it is bound to while it's floating through your blood is what's more important than just how much of it there is overall.  In fact depending on what it's combined with can have opposite effects on your arteries and heart.  Yes, opposite!

So cholesterol is just one component of a compound that floats around your blood.  These compounds contain cholesterol as well as fats and special proteins called lipoproteins.  

They're grouped into two main categories: 

●     HDL: High Density Lipoprotein (AKA good cholesterol) that cleans up some of those infamous arterial plaques and transports cholesterol back to the liver.

●     LDL: Low Density Lipoprotein (AKA bad cholesterol) that transports cholesterol from the liver (and is the kind found to accumulate in arteries and become easily oxidized, hence their badness).

And yes, it's even more complicated than this. Each of these categories is further broken down into subcategories which can also be measured in a blood test.

So cholesterol isn't simply cholesterol because it has very different effects on your body depending on which other molecules it's bound to in your blood and what it is actually doing there.

Myth #2: Cholesterol is bad

Cholesterol is absolutely necessary for your body to produce critical things like producing vitamin D when your skin is exposed to the sun, your sex hormones (e.g. estrogen and testosterone), as well as bile to help you absorb dietary fats.  Not to mention that it's incorporated into the membranes of your cells.

Talk about having a lot of important jobs!

The overall amount of cholesterol in your blood (AKA total cholesterol) isn't nearly as important as how much of each kind you have in your blood. 

While way too much LDL cholesterol as compared with HDL (the LDL:HDL ratio) may be associated with an increased risk of heart disease it is absolutely not the only thing to consider for heart health.

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Myth #3: Eating cholesterol increases your bad cholesterol 

Most of the cholesterol in your blood is made by your liver.  It's actually not from the cholesterol you eat.  Why do you think cholesterol medications block an enzyme in your liver (HMG Co-A reductase, to be exact)  'Cause that's where it's made!

What you eat still can affect how much cholesterol your liver produces.  After a cholesterol-rich meal your liver doesn't need to make as much.

Myth #4: Your cholesterol should be as low as possible

As with almost everything in health and wellness there's a balance that needs to be maintained.  There are very few extremes that are going to serve you well.People with too-low levels of cholesterol have increased risk of death from other non-heart-related issues like certain types of cancers, as well as suicide.

Myth #5: Drugs are the only way to get a good cholesterol balance

Don't start or stop any medications without talking with your doctor.

While drugs can certainly lower LDL cholesterol they don't seem to be able to raise the HDL cholesterol all that well.

Guess what does?

Proper nutrition and exercise!

One of the most impactful ways to lower your cholesterol with diet is to eat lots of fruits and veggies.  I mean lots, say up to 10 servings a day.  Every day. Sound like a lot? Don't worry - I have a recipe to help you squeeze this into your day.

You can (should?) also exercise, stop smoking, and eat better quality fats.  That means fatty fish, avocados and olive oil.  Ditch those over-processed hydrogenated “trans” fats.

TL;DR -

The science of cholesterol and heart health is complicated and we're learning more every day.  You may not need to be as afraid of it as you are.  And there is a lot you can do from a nutrition and lifestyle perspective to improve your cholesterol level.

References:

http://www.precisionnutrition.com/all-about-cholesterol

http://summertomato.com/how-to-raise-your-hdl-cholesterol

https://authoritynutrition.com/top-9-biggest-lies-about-dietary-fat-and-cholesterol/

Disclaimer: I am not a medical doctor or Registered Dietitian. The information presented is purely to share my experience and for entertainment purposes. As always, check with a doctor before making any fitness or nutrition changes. The author and blog disclaim liability for any damage, mishap, or injury that may occur from engaging in any activities or ideas from this site.