Our feet do more than help us walk—they can reveal hidden signs of serious heart problems weeks in advance. Because the heart pumps blood to every part of the body, including the extremities, changes in your feet can sometimes be the first warning that your cardiovascular system is struggling.

Watch for these six silent signs:

1. Cold Feet or Toes: Persistent coldness, even in warm weather, can indicate poor circulation caused by heart issues.

2. Swelling in Feet and Ankles: Fluid buildup, known as edema, may appear when the heart isn’t pumping effectively. Noticeable at the end of the day or after standing for long periods, it can signal early heart failure.

3. Foot Discoloration: Blue, purple, or pale feet suggest low oxygen levels or restricted blood flow, both potential indicators of heart disease.

4. Numbness or Tingling: Tingling or pins-and-needles sensations may point to peripheral artery disease, which is linked to heart problems.

5. Sores That Don’t Heal: Slow-healing wounds on toes or heels can indicate poor circulation, depriving tissues of nutrients and oxygen.

6. Pain When Walking: Cramping or aching that eases with rest—known as claudication—is a warning sign of restricted blood flow in the legs.

If you notice these symptoms, schedule a cardiovascular check-up immediately. Monitoring blood pressure, cholesterol, circulation, and other heart-related factors can prevent serious events. Your feet may be quietly alerting you to heart trouble. Paying attention could save your life—sometimes, the smallest signals speak the loudest.