Cholesterol | What Is It? How To Lower Cholesterol?
Cholesterol. Something that has been talked about endlessly in the health and fitness world, but how can we cut through the noise and get to the bottom of what cholesterol really is, and how it can impact your health?
- What is Cholesterol?
- What is LDL?
- Foods that can Raise LDL
- Foods that can Raise HDL
- How to Lower Cholesterol
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What is Cholesterol?
Cholesterol is a soft, waxy substance that is found in all of our body’s cells. It helps support our brain and nervous system. Cholesterol is made in the liver, but we also get cholesterol from the animal-based foods we consume. When you get your blood cholesterol levels checked, the number reflects both sources of cholesterol in the body. If too much cholesterol builds up in your body, it can lead to heart disease.
Because cholesterol is made and processed by the liver, keeping our liver healthy is important too. Limiting alcohol and refined carb consumption helps keep our liver functioning at its best.
While diet impacts our cholesterol values, our genetics do too - so even someone with a very healthy diet can have problems with cholesterol, and someone who does not follow a healthy lifestyle might still have normal cholesterol.
What is LDL?
There are two primary types of cholesterol, LDL and HDL.
LDL is generally considered the unhealthy type, and is the one which we need to keep low. While LDL levels are impacted by consuming foods high in saturated fat, it’s been shown that too many sugars in the diet can also raise your LDL level.1
The other part of the ratio in cholesterol is HDL, or “good” cholesterol. HDL is the part which we need to keep high by choosing healthy fats such as, coconut oil, fish, avocado and olive oil.2 This HDL cholesterol helps absorb the fat in our blood stream and take it back to the liver.
Foods that can raise LDL:
Butter Lard Red meat Baked goods/pastries Deep fried foods Processed meats Refined grains Full fat dairy products - Sugary beverages
Foods that can raise HDL:
Olive oil Coconut oil Salmon Avocado Nuts Seeds Whole grains Fruits - Vegetables
How to Lower Cholesterol
While some of our cholesterol values are inherited, our lifestyle also plays a role. Eating healthy foods, replacing saturated fats with plant-based oils, and consuming lots of fresh fruits and vegetables are some basic steps you can take.
Exercise can help to increase HDL, the good cholesterol, while smoking can lower your HDL.3,4 Eating foods that are high in fibre have also been shown to reduce LDL and total cholesterol levels.1
Take Home Message
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Claire is a Registered Dietitian through the Academy of Nutrition and Dietetics and a board-certified Health and Wellness Coach through the International Consortium for Health and Wellness Coaching. She has a Bachelor of Science in Biology and a Master’s degree in Clinical Dietetics and Nutrition from the University of Pittsburgh.
Talking and writing about food and fitness is at the heart of Claire’s ethos as she loves to use her experience to help others meet their health and wellness goals.
Claire is also a certified indoor cycling instructor and loves the mental and physical boost she gets from regular runs and yoga classes. When she’s not keeping fit herself, she’s cheering on her hometown’s sports teams in Pittsburgh, or cooking for her family in the kitchen.
Find out more about Claire’s experience here.
