Cholesterol vs Triglycerides - what's the difference?
Both are blood fats in the lipid panel, but they're different substances with different roles in heart risk. Here's the breakdown.
Cholesterol
A fat-like substance for cells and hormones. On the panel: total, LDL, HDL. Excess LDL is linked to atherosclerosis.
Triglycerides
The main storage form of fat and energy. Rise sharply with sugar, alcohol and overeating; also affect heart risk.
Key differences
- Cholesterol is a "structural" fat; triglycerides are the "storage" one.
- Triglycerides depend more on diet and alcohol.
- Both are in the lipid panel, usually fasting.
- High triglycerides + low HDL is a common pairing.
Bottom line
They're different fats: cholesterol (especially LDL) and triglycerides both affect the heart, but differently. Your doctor reads the whole panel.
Frequently asked questions
Which matters more for the heart?
LDL cholesterol is usually the focus, but high triglycerides are an independent risk factor. They're read together.
Why do triglycerides swing so much?
They're very sensitive to recent food, sugar and alcohol - which is why they're drawn fasting.
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