Cholesterol often gets a bad rap in today’s health discussions, with many people avoiding high-cholesterol foods and turning to statins to lower their cholesterol levels. However, cholesterol actually plays a crucial role in the body and is essential for several important functions.
Cholesterol has a number of upsides. It serves as a key component of cell membranes, providing structure and integrity to our cells. Without cholesterol, our cells would not be able to function properly or maintain their shape. Additionally, cholesterol serves as a precursor to the production of vital hormones, including estrogen, testosterone, and cortisol, which play crucial roles in regulating metabolism, sexual function, and the stress response.
Furthermore, cholesterol is essential for the synthesis of bile acids, which facilitate the digestion of fats and the absorption of fat-soluble vitamins. Cholesterol is also crucial for the production of vitamin D, which is essential for bone health and immune function.
In the brain, cholesterol is equally important, comprising about 25% of the body’s total cholesterol. It is crucial for the formation and maintenance of cell membranes in the brain, as well as for the production of myelin, a substance that insulates nerve cells and facilitates communication between them. Low levels of cholesterol in the brain have been linked to cognitive decline, memory problems, and neurodegenerative diseases like Alzheimer’s.1
On the downside, high cholesterol levels have been associated with an increased risk of heart disease and other health issues. Cholesterol may also play a role in the development of arthritis, particularly osteoarthritis.2 Studies have shown that individuals with higher cholesterol levels may be at a greater risk for developing arthritis, as cholesterol can contribute to inflammation in the body, a key factor in arthritis development. Additionally, high low-density lipoprotein cholesterol (LDL-C) has been linked to neurological disease. 3
However, the relationship between cholesterol and arthritis is complex and not fully understood. In one study of Rheumatoid Arthritis (RA) patients, high (LDL-C) levels prior to RA diagnosis or the end of follow-up were associated with a low risk of RA.4 In another study, there was no indication that the use of statins or several other RA drugs to lower LDL levels would lower the risk of RA.5 However, a large population study did show a relationship between high cholesterol and the incidence of RA.6
Further research is needed to elucidate the precise mechanisms by which cholesterol may contribute to the development of arthritis and neurological diseases. However, it is clear that maintaining healthy cholesterol levels and avoiding the development of metabolic syndrome through diet, exercise, and, if necessary, medication may help reduce the risk of developing arthritis, neurological, and other inflammatory conditions. While statins can be beneficial in certain circumstances, they also come with drawbacks such as muscle pain, liver damage, and an increased risk of diabetes. Consulting with a healthcare provider is key in managing cholesterol levels and overall health to prevent the development of arthritis.
In conclusion, while cholesterol is necessary for important bodily functions, it is crucial to have a balance. Statins may be necessary in certain cases, but they should be used with caution. Consulting with a healthcare provider is crucial for managing cholesterol levels and maintaining overall health effectively. Maintaining healthy cholesterol levels through a balanced diet, regular exercise, and healthy lifestyle choices is essential for optimal health and well-being.
References:
1. Benn M, Nordestgaard BG, Frikke-Schmidt R, Tybjærg-Hansen A. Low LDL cholesterol, PCSK9 and HMGCR genetic variation, and risk of Alzheimer’s disease and Parkinson’s disease: Mendelian randomisation study. BMJ. 2017;357. doi:10.1136/bmj.j1648
2. Papathanasiou I, Anastasopoulou L, Tsezou A. Cholesterol metabolism related genes in osteoarthritis. Bone. 2021;152. doi:10.1016/j.bone.2021.116076
3. Tan JS, Hu MJ, Yang YM, Yang YJ. Genetic Predisposition to Low-Density Lipoprotein Cholesterol May Increase Risks of Both Individual and Familial Alzheimer’s Disease. Front Med (Lausanne). 2022;8. doi:10.3389/fmed.2021.798334
4. Vanevery H, Gao X, Yang W, et al. Low-Density Lipoprotein Cholesterol and the Risk of Rheumatoid Arthritis: A Prospective Study in a Chinese Cohort. Nutrients. 2022;14(6). doi:10.3390/nu14061240
5. Qiao L, Lv S, Meng K, Yang J. Genetically proxied therapeutic inhibition of lipid-lowering drug targets and risk of rheumatoid arthritis disease: a Mendelian randomization study. Clin Rheumatol. 2024;43(3). doi:10.1007/s10067-023-06837-9
6. Yan Y, La R, Jiang M, et al. The association between remnant cholesterol and rheumatoid arthritis: insights from a large population study. Lipids Health Dis. 2024;23(1). doi:10.1186/s12944-024-02033-z
I am a Master’s prepared RN, National Board-Certified Health & Wellness Coach, Board-Certified Functional Wellness Coach, and Functional Diagnostic Nutrition Practitioner. I help people fix their chronic inflammation & pain with in-home lab testing, client assessments, personalized natural healing protocols, and online coaching to help them move from pain to peace so that they feel better, move better, and live better.
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