How Do I Know If My Headgasket Is Going?

How Do I Know If My Headgasket Is Going? White smoke coming from the tailpipe. BUBBLING IN THE RADIATOR AND COOLANT RESERVOIR. unexplained coolant loss with no leaks. Milky white coloration in the oil. Engine overheating. How long does Headgasket last? How Long Do Head Gaskets Last? Head gaskets typically last 200,000 miles, which is