ALBAWABA When deciding whether swimming in the sea or in a pool is healthier, both environments offer unique benefits and considerations. Here's a comparison to help you determine which might be better for your health: Swimming in the Sea Benefits: Natural Environment: Minerals in Seawater: Seawater contains various minerals, including magnesium, potassium, and iodine, which can have therapeutic effects on the skin and body. Swimming in the sea can help ...