Doctor Nagler's Crash Diet. Lose 5-10 pounds this week. Lose 20 pounds this month! Try the crash diet that's good for you. If you weigh 150 pounds, crash down to 120 pounds and gain it all back over the next 6 months, you're healthier than if you hadn't lost the weight at all. Why? Because over time, your average weight was less. Every pound of fat makes your heart pump an extra mile of blood per day. Doctor Nagler's Crash Diet is new and medically safe. You can easily and safely lose 5-10 pounds your first week and 10-20 pounds every month.