Ice swimming, or avantouinti in Finnish, is believed to have several potential health benefits, although it's essential to approach it with caution and consult a medical professional if you have any underlying health conditions. Some potential health effects of ice swimming include:

1. Improved Circulation

Cold water immersion can stimulate blood flow and improve circulation, which may be beneficial for cardiovascular health.

2. Stress Reduction

Many people find that the shock of cold water and the experience of ice swimming can help reduce stress and improve mental well-being.

3. Pain Relief

Cold water can numb pain receptors and provide relief from conditions like sore muscles or joint pain.

4. Boosted Immune System

Some studies suggest that regular exposure to cold water may enhance the immune system's function.

5. Increased Energy

Cold-water immersion can provide an energy boost and increase alertness.

6. Improved Mood

Ice swimming releases endorphins, which can elevate your mood.

7. Enhanced Resilience

Repeated exposure to cold can train your body to better handle stress and adapt to changing conditions.