What causes high low-density lipoprotein (LDL) cholesterol?
Disease description:
My health hasn't been very good to begin with. My doctor said my low-density cholesterol is high. I'd like to ask, what causes elevated low-density cholesterol?
Doctor's answer (1)
Dr. Tian Hongbo
There are many reasons for elevated low-density lipoprotein (LDL) cholesterol. Poor dietary habits are one of the common factors, such as consuming excessive amounts of high-cholesterol and high-fat foods like organ meats and fried foods. Lack of physical activity is another significant cause; insufficient exercise slows metabolism, leading to cholesterol accumulation in the body. Genetic factors may also play a role—individuals with a family history of hyperlipidemia have an increased risk of elevated LDL cholesterol. Certain medical conditions can contribute as well. For example, insulin resistance in people with diabetes affects lipid metabolism, and hypothyroidism reduces the body's metabolic rate, making it easier for cholesterol levels to rise.
In addition, aging leads to a gradual decline in metabolic function, which may also result in elevated LDL cholesterol. Chronic stress, smoking, and excessive alcohol consumption are other unhealthy lifestyle habits that can disrupt lipid metabolism and lead to increased LDL cholesterol levels. If LDL cholesterol is elevated or accompanied by other symptoms, prompt medical attention is recommended.
