Too much internet ‘could damage immune system’

Spending too much time on the internet could damage your immune system, a study has found. Swansea University’s College of Human and Health Science found that people who have greater levels of internet addiction catch more colds and flu bugs than those who spend less time online. Its research of 500 people, aged between 18 and 101, discovered that those who go on the web too much have 30 per cent more cold and flu symptoms than those who do not. It also suggested that internet addicts may suffer stress when they are disconnected from the Net and the cycle of “stress and relief” may lead to altered levels of cortisol – a hormone that impacts immune function. Previous studies have shown that people who spend more time on the internet experience greater sleep deprivation, have worse eating habits and less healthy diets, engage in less exercise, and also tend to smoke and drink alcohol more. The latest research was conducted by Phil Reed and Rebecca Vile from Swansea University, Lisa Osborne from Abertawe Bro Morgannwg University Health Board, and Michela Romano and Roberto Truzoli from the University of Milan. Reed said: “We found that the impact of the internet on people’s health...