What is the most logical next event?

How to avoid dying prematurely
Stop smoking.
Smoking tobacco is one of the most harmful things you can do on a regular basis. It's well established that smoking damages nearly every organ of the body and causes many diseases, including all sorts of cardiovascular related problems, which contribute significantly to premature death.
Smoking is estimated to increase the risk of coronary heart disease and stroke due to atherosclerosis by up to 4x compared to non-smokers. Cigarettes contain a variety of toxic compounds that damage blood vessels and poison tissues.