2006 Cholesterol challenge Study

This study is testing whether a structured diet and lifestyle program can lower cholesterol and reduce weight, potentially reducing the need for cholesterol-lowering medications. Participants will follow a guided program and have their cholesterol, weight, and overall heart health tracked over the study period. You may be eligible if: - You are between 20 and 69 years old - Your BMI is between 27 and 40 kg/m² - Your blood cholesterol is between 5 and 8 mmol/L - You are not currently taking cholesterol-lowering medication - You are generally healthy with no metabolic, kidney, or cardiovascular disease - Your liver enzyme levels are within normal range - You can walk independently and exercise without pain - You have no history of heart disease You may NOT be eligible if: - You take medications that affect fat metabolism - You have a family history of high cholesterol (inherited hypercholesterolaemia) - You have type 1 diabetes - You drink heavily (more than 21 standard drinks/week for women, 28 for men) - You are pregnant, breastfeeding, or planning to become pregnant - You eat out frequently (more than 5 times per week) and cannot reduce this - You are unable to prepare meals or follow a dietary plan Talk to your doctor about whether this trial might be right for you.