be careful what you read...

Be careful about reading health books. You may die of a misprint.   sayings by Mark Twain Mark Twain was born in 1835, so it is more than likely that he could have read Jerome K. Jerome's book 'Three men in a boat' which was first published in 1889. The story begins when one of the three friends reads a medical encyclopedia and discovers that he has every disease known to man except house-maid's knee. A typical Hypochondriac....... But they might just be right once in a while !