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.
Bahkan menurut suatu penelitian jangka panjang, pria - pria yang optimistis jauh lebih kecil kemungkinannya menderita penyakit jantung koroner daripada yang pesimis memandang kehidupan.