6. Foot Sores That Don’t Heal
Slow-healing wounds can be a warning sign of:
- Diabetes
- Poor circulation
- Infection
People with diabetes should inspect their feet daily.
7. Changes in Skin Color
Skin that appears:
- Blue or purple may suggest poor oxygen or circulation.
- Very pale may indicate reduced blood flow.
- Red and warm may signal inflammation or infection.
Any sudden color change deserves prompt medical attention.
