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Metformin Reduces AMD Risk in Diabetic Adults Over 55

2/11/2026

27 3 Full Breakdown

Summary

Story summary

The University of Liverpool study found that adults over 55 with diabetes who take metformin are 37% less likely to develop intermediate age-related macular degeneration (AMD) over five years than those not on the drug.
The results are observational and do not prove causation; further trials are needed.
The study focused only on diabetic patients, leaving non-diabetics' effects unclear, and notes metformin is a low-cost drug with safety issues.

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Story summary

The University of Liverpool study found that adults over 55 with diabetes who take metformin are 37% less likely to develop intermediate age-related macular degeneration (AMD) over five years than those not on the drug.
The results are observational and do not prove causation; further trials are needed.
The study focused only on diabetic patients, leaving non-diabetics' effects unclear, and notes metformin is a low-cost drug with safety issues.