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The Hidden Dangers of High Cholesterol


High cholesterol is often symptomless and is known as a “silent disease”. High cholesterol significantly increases the risk of heart disease and stroke.¹ Despite being asymptomatic in most individuals, elevated cholesterol levels significantly increase the risk of cardiovascular disease (CVD), stroke, and other chronic conditions. Without timely detection and management, high cholesterol can silently cause irreversible damage to vital organs.²
Cholesterol is essential for various bodily functions, including hormone production, vitamins synthesis, and cell structure. However, when there is an excess of low-density lipoprotein (LDL), or “bad” cholesterol, in the bloodstream, it accumulates on arterial walls, forming plaques. This process, known as atherosclerosis, narrows and hardens the arteries, impeding blood flow and raising the risk of heart attacks and strokes.²
In addition to heart disease, high cholesterol is increasingly being linked to neurological disorders. Studies have found associations between elevated cholesterol and an increased risk of Alzheimer’s disease.³
Diet and lifestyle plays a pivotal role in cholesterol regulation. Drinking lots of alcohol or having diets high in saturated fats or trans fats contribute to elevated cholesterol levels.⁴ Conversely, increasing fiber intake, taking plant based foods, and omega-3 fatty acids can help reduce cholesterol and protect heart health.⁵ Physical activity also boosts high-density lipoprotein (HDL), or “good” cholesterol, which helps remove LDL from the bloodstream.⁴
For individuals with persistently high cholesterol levels, it is advised to seek medical attention as medications such as statins may be prescribed to inhibit cholesterol production in the liver.⁶
In conclusion, high cholesterol is a silent but serious risk factor for a range of diseases, including heart disease and cognitive decline. Routine screening, dietary adjustments, exercise, and, when necessary, medication can help manage cholesterol levels and prevent long-term complications. Awareness and early action are essential to reduce the hidden dangers associated with high cholesterol. Visit your nearest CARiNG Pharmacy to speak with your pharmacist to learn more about high cholesterol.
References:
- World Heart Federation. Cholesterol [Internet]. Geneva: World Heart Federation; date unknown [cited 2025 June]. Available from: https://world-heart-federation.org/what-we-do/cholesterol/
- American Heart Association (AHA). What is cholesterol? [Internet]. USA: American Heart Association (AHA); 2024 [cited 2025 June]. Available from: https://www.heart.org/en/health-topics/cholesterol/about-cholesterol
- Wingo TS, Cutler DJ, Wingo AP et al. Association of early-onset Alzheimer disease with elevated low-density lipoprotein cholesterol levels and rare genetic coding variants of APOB. JAMA Neurol. 2019;76(7):809–817. doi: 10.1001/jamaneurol.2019.0648
- Mayo Clinic. High cholesterol. [Internet]. USA: Mayo Clinic; 2025 [cited 2025 June]. Available from: https://www.mayoclinic.org/diseases-conditions/high-blood-cholesterol/symptoms-causes/syc-20350800
- American Heart Association (AHA). Cooking to lower cholesterol. [Internet]. USA: American Heart Association (AHA); 2024 [cited 2025 June]. Available from: https://www.heart.org/en/health-topics/cholesterol/prevention-and-treatment-of-high-cholesterol-hyperlipidemia/cooking-to-lower-cholesterol
- Sizar O, Khare S, Patel P, et al. Statin Medications. [Internet]. USA: StatPearls Publishing; 2025 [cited 2025 June]. Available from: https://www.ncbi.nlm.nih.gov/books/NBK430940/
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