Always exhausted? It may not be stress or stretching yourself too thin. Find out the real medical reason you're exhausted. Dr. Oz set up his own lab and uncovered the 4 secret reasons you're over-tired.

Click here for Part 2 of Dr. Oz's Exhaustion Lab.

Click here for Part 3 of Dr. Oz's Exhaustion Lab.

100-Calorie Spicy Potato Chip Recipe

You don't have to resist this low-calorie snack!

The Dish at Home gives you a snack you don't have to resist with these low-calorie spicy potato chips.