"Seek," "Hatena Illusion" & "Danino Yogurt" (Age Progression, Age Regression and Muscle Growth)

Here are three items involving age progression and the other age regression.

Starting with the latter, here is a commercial for Seek (an employment company) that involves a man aging down by 72 years:



The next two clips approach aging from different directions but they meet in the same place: muscle growth!

My thanks to APninja for recommending a scene from episode 11 of the anime Hatena Illusion,
where an old butler turns into a young and very well muscled jock:




Here is an Australian yogurt commercial from 1995. Lucky Aussies! I don't recall anything like this on American TV...