Stephenson suggested potential restrictions could include banning TV advertisements for foods high in fat, salt or sugar before 9 pm and limiting them on billboards or in cinemas.
Stephenson, to win a fortune, invented the steam-engine; and Shakespeare wrote his plays in order to keep a comfortable home for Mrs. Shakespeare and the little Shakespeares.
Mrs Stephenson said, " I usually get a little thing like a small bunch of flowers, but this Valentine's Day it was a surprise to get a new donkey. I'm delighted."
Professor Terence Stephenson, president of the Royal College of Paediatrics and Child Health, said that the consumption of unhealthy food should be seen to be just as damaging as smoking or excessive drinking.