In 1968 over one third of the total adult population of the UK had no natural teeth, and only a small number of people of pensionable age had any teeth at all.
BBC: Dentists warn over ageing teeth
2.
Slevin, now 59, went to jail in August 2005 as "a well nourished, physically healthy adult, " but emerged with a long beard, bed sores, bad teeth and weighing just 133 pounds in June 2007, according to the lawsuit.