Chevy Chase goes back to rehab for 'tune-up'--Obesity down to drugs, alcohol addiction?

Comedian #Chevy Chase went back to rehab for "tune-up" work on his alcohol addiction. The "Community" actor is still showing signs of morbid obesity that shocked everyone at the SNL 40 reunion in 2015. His weight gain (or bloating as it appeared) was so startling that one doctor suggested Chase was on steroids or had Cushing syndrome. His extreme obesity in connection to booze prompts a discussion substance abuse, recovery, and weight loss.    Chevy Chase goes back to rehab for 'tune-up'--Obesity down to drugs, alcohol addiction?