Complex sentence: The boxer David Haye was hypnotised to remove his ability to fight and a member of the public's fear of heights was cured and a man was made to hit himself every time he looked at a woman other than his girlfriend.
Split into simpler sentences: The boxer David Haye was hypnotised to remove his ability to fight and a member of the publics fear of heights was cured. Notably, a boyfriend was made to hit himself every time he looked at a woman other than his girlfriend.