William Hill will offer odds on most anything and 10 years ago a Mr. Holden of Surrey bet £100 at 250/1 that he would reach 100 years of age. Today was his £25,000 payout.
http://www.jackpot.co.uk/online-casino-news/100-old-man-wins-25k-bet-240407.html
http://www.jackpot.co.uk/online-casino-news/100-old-man-wins-25k-bet-240407.html