Healthier than what? There are many ways to reduce stress that are healthier. If you refuse to learn how to have fun without alcohol then I guess it is, but you have eliminated a lot of better options already.

Long term you're probably more stressed. It helps in the moment, but you'll be more stressed and anxious when you're not drinking, plus it raises your blood pressure, so if you're worried about a stress induced cardiovascular event, alcoholism probably making it worse.