Being originally from the Soviet Union, I can attest that political jokes did help ease the pain of absurd ideological rules and regulations.
— Нет. Если бы он был наукой, его бы сначала попробовали на собаках.
-- Is the theory of Communism scientific?
-- No. If it were scientific they would test it on animals first.
On a more serious note, laughter might also help in solving difficult problems. Studies show that fear and frustration, two psychological conditions often encountered when we face a tough challenge, cause physical pain. If laughter is a natural pain killer, then an occasional joke can reduce stress and improve group creativity.
tags: creativity, psychology, problem, science, brain, biology