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The Height-to-weight ratio test. If your waist is less than half your height, then you’re doing okay. As a further check, also measure your hip-to-waist ratio. Then divide your waist by your hip circumference. The ideal for men is 0.8, and for women is 0.7. High risk is over 1.0 for men, and over 0.85 for women.

Seven to eight hours. Not six, not nine, not five. Research shows that adults need to get seven to eight hours of sleep each night to maintain a healthy heart. Between seven and eight hours is considered a “good night’s sleep.”