Re: "a connection between sitting in front of a screen and raised blood pressure"...
Neither, for that matter, is the effect limited to children.
Quite. Social media should come with a serious health warning. Look at the disgusting behaviour of the smug self righteous towards Justine Sacco - yes she made a joke that wasn't particularly funny, but that in no way justified the blatant attempts to destroy her life, and the revelling in having ruined her career.
One wrong post, tweet, or picture and your life can vanish. Less of a concern if your name is John Jones or Billy Smith, but if your combination of first and surname is in anyway unique then the damage a drunken jest can cause may be unrecoverable.
Biting the hand that feeds IT
