4,634-The number of calories in one plastic pumpkin after trick-or-treating

Don't get tricked into weight gain

Scary, huh? And whether you're handing out candy or are the mom of a little goblin who brings home a haul, you're bound to eat a few hundred calories' worth, says Yale nutrition expert Marlene Schwartz, Ph.D. Do everyone a favor this year and buy raisins or inexpensive trinkets instead of sweets.