Hydrothermal springs are caused by the heated ground water that rises up from the middle of earths crust. The natural heat water from the center of earths mantle rises up, and cools, then feels warm when you dig into the ground. Magma from earth crust also heats the water after the winter and spring storms and rain are sunken deep down, the earth produces enough moisture for the heated spring, a the moisture travels up threw the crevices of the earth, there you have a hot spring, ready for you!
Boost Blood Circulation. The water found in natural hot springs contains a variety of different minerals, including calcium and sodium bicarbonate. ...
Heal Skin Problems.
And reduces your stress level
the heat from the volcanic water can stimulate blood circulation and boost metabolism.
Drinking the hot springs water is perfectly normal, even encouraged. Go ahead.
This is considered the golden age bathing