Researchers from the Universities of California and San Francisco studied the link between watching TV and cognitive functioning.
The results, published in the JAMA Psychaiatry Journal, found the more TV people watched, the worse they performed in a series of intelligence tests.
The study looked at 3,247 adults aged between 18 and 30, with participants categorised by how much TV they watched on average and then tested for their processing speed and verbal functioning.
Overall, the results showed those who watched the most TV were twice as likely to have poor mental functioning .... http://www.independent.co.uk
