Michael Douglas Good Genes or Good Docs?

8/15/2010 4:20 AM PDT BY TMZ STAFF
Michael Douglas has been in the limelight for decades -- but you wouldn't think so looking at him today.

Here is the the 42 year-old version in a film editing bay in 1986 (left) and the 65 year-old version at red carpet event earlier this summer (right).

For Michael -- looking good is a "Basic Instinct."