Women feel worse about their health than men do. Across all age groups, 70 percent of men rated their mental health as very good or excellent, compared with 54 percent of women. Females worry more about joint pain and sleeping problems, too.

Your best bet: Don’t fast, and don’t go on crash diets; just try to eliminate the junk calories you eat and turn to more healthy foods, especially fruits and vegetables. A good starting point is to reduce snacking out of boredom, anxiety or habit. Instead, stretch or walk.