Total cholesterol in normal people: 3.38~5.20mmol/L.
Total cholesterol is generally affected by factors such as age and sex, dietary habits, heredity, some diseases and drugs.
1. Age and gender: Total cholesterol level often rises with age.
2. Dietary habits: Long-term high cholesterol and high saturated fatty acid intake, as well as long-term smoking and alcohol consumption can increase total cholesterol.
3. Heredity: It is related to mutations in the genes of enzymes or receptors related to lipoprotein metabolism.
4. Nephrotic syndrome, hypothyroidism, diabetes mellitus, choledochal obstruction, lipoid nephropathy, chronic nephritis, pregnancy, etc. can also cause cholesterol elevation.
5. The use of certain drugs, such as glucocorticoids, cyclosporine, oral contraceptives, etc. can also raise the total cholesterol.
In addition, significantly low cholesterol should also be taken seriously, which is common in patients with severe malnutrition. Interpretation of specific indicators and disease diagnosis should be carried out under the guidance of a physician.