According to research by experts from the University of Chicago United States , loneliness can make blood pressure rise up to the area at risk for heart attacks and strokes , weakening the immune system , and an increased risk of depression .
John Cacioppo , professor of psychology who has studied the effects of loneliness for 20 years , an analysis of more than 2,000 men and women aged 50 years and six years later .
Those who most feel lonely almost twice as likely to die within that period of time than those who felt most needed and necessary . Another study even mentions that lonely two times more kills than obesity .
Loneliness , Cacioppo further , can also disrupt sleep so that lonely people tend to be more dependent on sleeping pills . Cacioppo explains , lonely people usually feel very wary that the slightest noise can instantly awaken their sleep .
