Many of my physical issues improved dramatically when I quit drinking. It took at least a couple of months before I started noticing dramatic changes, but I lost weight, lost the puffy/bloated look and feel, my BP dropped significantly, and many other things.
Granted, I'm sure that it wasn't simply abstinence that was the sole reason - I also started eating and sleeping better once I quit drinking and got more exercise. I did also see my doctor and was honest about how much I had been drinking, they ran tests over a period of time and gave me some diet tips and supplement tips along the way.
But overall, everything is better without question.