Obesity raises your chances of having too much low-density lipoprotein (LDL), or bad cholesterol, in your blood that can increase your risk of heart problems and other serious issues. Obesity also affects the way your body makes and manages lipoproteins, including cholesterol and triglycerides -- another fatty substance, or lipid, your body needs in small amounts. If your body makes too many triglycerides, that can lead to higher levels of other lipoproteins as well, including cholesterol. Losing weight and being more active can reverse insulin resistance so your body is better able to regulate hormones and lipoproteins.
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