We're used to seeing warning labels on alcohol, cigarettes and prescription drugs, for obvious reasons. But if one group of scientists has anything to say about it, similar warning labels will soon be showing up on your smartphone or tablet. Psychologists and computer scientists from Bournemouth University in the UK argue that the disclaimers should be added to personal digital devices so that people will be aware of the risks of excessive use. "Excessive and obsessive usage and preoccupation about technology are associated with undesirable behaviors such as reduced creativity, depression and disconnection from reality," Dr.