21. What is the good news about people＇s water use?

54. What do we learn about emotional intelligence from a number of studies?

53. What does the finding of Myriam Bechtoldt＇s study indicate?

52. What was the purpose of psychologist Myriam Bechtoldt＇s experiment?

51. What is the finding of the new study?

50. Compared with the average American, people in healthy societies(

49. What do people in most healthy eating cultures have in common?

48. What features in Mediterranean, Nordic and Okinawan diets?

47. What is typical of Americans in the way of eating?

46. What characterizes Japanese and Chinese foods?

55. What is more important to an emotionally vulnerable person?