Its apparent success also pointed to the reasoning behind some traditional hangover cures, such as rawegg and fry ups, eggs also being rich in cysteine.
It wasn't until later that afternoon, when our friends cut into the cake, that we realized that the seeping liquid wasn't just rawegg whites, but raw batter as well.
Other dietary factors which appeared to reduce lung cancer risk were raw and green vegetables, fruit and milk, but carrot, pumpkin, egg and coffee appeared to increase risk.