Omega-3 fatty acids increase LDL levels.

Omega-3 Fatty Acids

Essential fatty acids found in salmon and other fatty fishes, walnuts, and certain vegetable oils (e.g., canola, soybean); studies suggest that omega-3 fatty acids help lower triglycerides and blood pressure, and have other health benefits.

LDL Levels

Low-density lipoprotein levels, often referred to as "bad" cholesterol, indicative of the amount of cholesterol in the blood that can lead to plaque buildup in arteries.