The Study
The effect of androgens on lipids
This study didn't test testosterone itself—it just looked at other studies that watched people over time. So it can say 'men with low testosterone often have bad cholesterol,' but it can't say 'giving testosterone fixes cholesterol.'
Analysis score
Maximum 5 for a narrative review.
Where the score came from
When men have low natural testosterone, they often have bad cholesterol levels. When they take testosterone medicine, some bad cholesterol goes down but good cholesterol also drops. We still don't know if this helps or hurts their heart.
Where does this study sit?
Systematic Reviews & Meta-analyses
Max 100Randomized Trials
Max 90Cohort Studies
Max 72Case-Control
Max 58Cross-Sectional
Max 44Case Reports & Series
Max 30Expert Opinion
Max 51 / 100
Quality score
Based on clinical experience or non-systematic literature reviews. The lowest level of evidence as they are most susceptible to bias and personal perspective.
Key takeaways
Summary
Based on the study abstract and findings.
- 1Yes — changes in LDL and HDL are important for heart health, but whether the overall effect is good or bad is still unknown.
- 2Low natural testosterone: higher LDL, lower HDL.
- 3Testosterone therapy: lower HDL, lower LDL and total cholesterol.
Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data
Publication
Journal
Current Opinion in Endocrinology & Diabetes and Obesity
Year
2013
Authors
A. Monroe, A. Dobs
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.