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Health See other Health Articles Title: MEDICAL STUDY CHALLENGES BAD CHOLESEROL LABEL About the Study The study participants were part of the China Health Evaluation and Risk Reduction through Nationwide Teamwork (ChinaHEART) project, which included individuals aged 35 to 75 from various regions across China. Participants were divided into three groups based on their risk of atherosclerotic cardiovascular disease (ASCVD), a heart disease caused by plaque buildup on artery walls: Low-risk group: Individuals with no history of cardiovascular disease and a low estimated risk of developing it. Primary prevention group: Individuals with high-risk factors for cardiovascular disease but no established disease. Secondary prevention group: Individuals with a history of cardiovascular disease. Researchers tracked data from these participants, including cholesterol levels and lifestyle choices like smoking and drinking habits. They also considered medical histories, including conditions such as diabetes and chronic obstructive pulmonary disease. The goal was to determine how different LDL cholesterol levels impacted their mortality risk, particularly from heart disease. Over an average follow-up period of 4.6 years, the study recorded nearly 93,000 deaths, with over 38,000 attributed to cardiovascular issues. The results revealed a U-shaped association between LDL cholesterol levels and mortality in the low-risk and primary prevention groups, indicating that both very high and very low levels of LDL were associated with increased mortality. In the secondary prevention group, the association was J-shaped, meaning extremely low LDL levels were linked to a higher risk of death, while moderate levels were associated with the lowest risk. According to the American Heart Association, “normal” LDL levels are considered less than 100 milligrams per deciliter (mg/dL). Levels above 160 mg/dL are categorized as high, and those below 70 mg/dL are deemed very low. However, the study found that the optimal LDL levels for reducing cardiovascular mortality varied among the groups: Poster Comment: Don't eat fried foods. I eat 4 soft boiled eggs every day. I have normal cholesterol. I would score better if I could afford those $5.50 a dozen eggs the Amish sell at my local health food store for $5.0 a dozen for real pasture raised eggs. Post Comment Private Reply Ignore Thread
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