What does it mean if someone has high blood HDL Cholesterol and low LDL Cholesterol levels?

Here are the exact lipogram (or whatever they call it) results: S. Cholesterol: 146 mg/dL (Normal level: up to 200 mg/dL) S. Triglycerides: 99.7 mg/dL (Normal level: 60 to 165 mg/dL) HDL Cholesterol: 69 mg/dL (Normal level: 41 to 58 mg/dL) LDL Cholesterol 57 mg/dL (Normal level: 60 to 166... show more Here are the exact lipogram (or whatever they call it) results:

S. Cholesterol: 146 mg/dL (Normal level: up to 200 mg/dL)

S. Triglycerides: 99.7 mg/dL (Normal level: 60 to 165 mg/dL)

HDL Cholesterol: 69 mg/dL (Normal level: 41 to 58 mg/dL)

LDL Cholesterol 57 mg/dL (Normal level: 60 to 166 mg/dL)

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This is for a 24 years old male by the way.

Thanks in advance! =]
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