Who said "Laughter's the best medicine for when you're feelin' blue."?

This quote is attributed to Mickey Mouse.

Laughter's the best medicine for when you're feelin' blue. - Mickey Mouse

"Laughter's the best medicine for when you're feelin' blue."

Mickey Mouse Humor

"Hot dog!"

"Oh boy!"

"Gosh!"

"That's swell!"

"Never underestimate the power of a good laugh."

"Laughter is the best medicine."

"A good laugh is the best medicine."

"Laughter is contagious and wonderful."