Champagne, sparkling wines and fizzy cocktails are all the rage on New Year's Eve, but beware the phenomenon known as "prosecco teeth" or "prosecco smile." Getty Images/iStockphoto What a buzzkill.

Sickle cell disease, cleft lip, cleft palate and intersex people also featured. Series nine: Diptheria was at the centre of the ninth instalment in 1965, and it was notable for featuring a ...