Social networking 與健康威脅

http://www.theregister.co.uk/2009/02/20/social_networking_heath_threats/

"the isolation it causes can lead to measurable physical changes - destructive measurable physical changes."

"the number of people saying there is no one with whom they discuss important matters nearly tripled."

"Children now spend more time in the family home alone in front of TV/computer screens than doing anything else,"

"Social isolation, for example, has been shown to impair the genes involved in the development of leukocytes, those helpful cells that float around in your blood, fighting disease."

"Real-world friendships help prevent heart attacks."