Harrison ford cognitive decline reversed?

I can’t find any other mention of this but these recent interviews for the Red Hulk part are quite the contrast to the Harrison Ford of a few years ago. I remember seeing him in interviews with Ryan Gosling where he could barely string 3 words together without long pauses and ums and ers. He sounded like a very old man on his way out (but still funny). However the latest interviews this year seem like a different person. Still the same wit but way more fluent, quick and in the moment.

Did he have a drink problem? Taking some decent cognitive supplements? They must exist, right? Anyone else noticed? Just me?