Group 1 - Cholesterol is an essential substance for the human body, playing a critical role in synthesizing hormones and vitamin D, and forming cell membranes [3][4] - Cholesterol levels can be influenced by both internal factors (genetics, diseases) and external factors (lifestyle habits such as diet and exercise) [4] - There are two types of cholesterol: high-density lipoprotein (HDL-C) known as "good cholesterol" and low-density lipoprotein (LDL-C) known as "bad cholesterol" [5][6] Group 2 - High levels of LDL-C can lead to serious health issues such as coronary heart disease and stroke, while HDL-C helps to remove excess cholesterol from the bloodstream [6][7] - It is important to assess cholesterol health through a comprehensive analysis of various blood lipid indicators, not just total cholesterol [8][10] - Individual cholesterol levels can vary based on personal health history, age, and lifestyle, making it essential to consider these factors when evaluating cholesterol [7][8] Group 3 - Dietary recommendations for lowering cholesterol include increasing intake of whole grains and high-quality fats while avoiding saturated and trans fats [10][12][14] - Regular physical activity is advised, with recommendations for at least 150 minutes of moderate-intensity aerobic exercise per week [22] - If lifestyle changes are insufficient, medication may be necessary, with common options including statins and cholesterol absorption inhibitors [24][25]

Core Viewpoint - Healthy eating can prevent and control cardiovascular diseases, while unhealthy diets increase the risk of such diseases [1] Group 1: Foods to Limit - Limit salt intake to no more than 5 grams per day and avoid foods high in hidden salt such as soy sauce and processed meats [2] - Reduce consumption of fatty meats as excessive animal fat can raise blood lipid levels [3] - Minimize intake of organ meats due to their high cholesterol content, which can also elevate blood lipid levels [4] - Refine grains should not exceed 50% of staple foods; increase the proportion of whole grains [5] - Processed meats should be strictly controlled due to high salt and potential food safety issues [6] - Limit saturated fats found in animal fats like beef tallow and lard, as recommended by dietary guidelines [7] - Avoid trans fats commonly found in snacks and fried foods, as they increase the risk of cardiovascular diseases [8] Group 2: Foods to Include - Consume fish at least twice a week, with 50 grams of fatty fish like mackerel or salmon meeting daily DHA requirements [10][11] - Whole grains should make up more than one-third of staple foods [12] - Daily intake of dairy products should be 300-500 grams; low-fat options are recommended for those at risk of cardiovascular diseases [13] - Include 25 grams of soybeans or equivalent soy products daily for their health benefits [14][15] - Daily fruit intake should be 200-350 grams, focusing on vitamin C-rich options [16] - Daily vegetable intake should be 300-500 grams, with a variety of types for optimal health benefits [17][18] - Nuts should be consumed weekly in amounts of 50-70 grams, as they contain beneficial unsaturated fats [19] - Moderate coffee consumption is beneficial, with a recommended daily caffeine limit of 210-400 milligrams [20][21] - Regular tea consumption is associated with reduced risks of various diseases [21] - Eating chili peppers may lower mortality rates related to heart diseases [22] Conclusion - A diverse diet incorporating the recommended foods can significantly reduce the risk of hypertension and cardiovascular diseases, emphasizing the importance of variety in daily and weekly food choices [22]