One long - term study even found that men who were optimists were far less likely to suffer from coronary heart disease than were those with a pessimistic view of life.
كما اوضحت دراسة اخرى مطوّلة ان الرجال الذين يستبشرون خيرا بالمستقبل هم اقل عرضة بكثير للاصابة بداء القلب الاكليلي مقارنة بالرجال المتشائمين .‏