gallery: Why crash dieting DOES work: Surprise evidence suggests it

3 Cute Hairstyles for School from YouTube · Duration: 3 minutes 55 seconds

3 Cute Hairstyles for School from YouTube · Duration:  3 minutes 55 seconds

John Doe - "Telephone by the Bed" Official Audio from YouTube · Duration: 3 minutes 43 seconds

John Doe - "Telephone by the Bed" Official Audio from YouTube · Duration:  3 minutes 43 seconds

SERVICE RECOVERY IN HEALTH CARE - Everything You Need To Know - Dr. Nabil Ebraheim from YouTube · Duration: 10 minutes 16 seconds

SERVICE RECOVERY IN HEALTH CARE - Everything You Need To Know - Dr. Nabil Ebraheim from YouTube · Duration:  10 minutes 16 seconds

How To Install a Vanity Countertop from YouTube · Duration: 3 minutes 56 seconds

How To Install a Vanity Countertop from YouTube · Duration:  3 minutes 56 seconds

How to Seal Windows for Winter and Summer from YouTube · Duration: 7 minutes 41 seconds

How to Seal Windows for Winter and Summer from YouTube · Duration:  7 minutes 41 seconds

Ginuwine - So Anxious from YouTube · Duration: 4 minutes 12 seconds

Ginuwine - So Anxious from YouTube · Duration:  4 minutes 12 seconds

B-e-a-utiful- Megan Nicole (Original Song) from YouTube · Duration: 3 minutes 38 seconds

B-e-a-utiful- Megan Nicole (Original Song) from YouTube · Duration:  3 minutes 38 seconds

3 Cute Hairstyles for School from YouTube · Duration: 3 minutes 55 seconds

3 Cute Hairstyles for School from YouTube · Duration:  3 minutes 55 seconds

John Doe - "Telephone by the Bed" Official Audio from YouTube · Duration: 3 minutes 43 seconds

John Doe - "Telephone by the Bed" Official Audio from YouTube · Duration:  3 minutes 43 seconds

SERVICE RECOVERY IN HEALTH CARE - Everything You Need To Know - Dr. Nabil Ebraheim from YouTube · Duration: 10 minutes 16 seconds

SERVICE RECOVERY IN HEALTH CARE - Everything You Need To Know - Dr. Nabil Ebraheim from YouTube · Duration:  10 minutes 16 seconds

How To Install a Vanity Countertop from YouTube · Duration: 3 minutes 56 seconds

How To Install a Vanity Countertop from YouTube · Duration:  3 minutes 56 seconds

How to Seal Windows for Winter and Summer from YouTube · Duration: 7 minutes 41 seconds

How to Seal Windows for Winter and Summer from YouTube · Duration:  7 minutes 41 seconds

Ginuwine - So Anxious from YouTube · Duration: 4 minutes 12 seconds

Ginuwine - So Anxious from YouTube · Duration:  4 minutes 12 seconds

B-e-a-utiful- Megan Nicole (Original Song) from YouTube · Duration: 3 minutes 38 seconds

B-e-a-utiful- Megan Nicole (Original Song) from YouTube · Duration:  3 minutes 38 seconds