In today's health matters, a new study shows packing your kids lunch may not be as healthy as you think it is.

A new study found that 90 percent of food in lunch boxes and snacks are not stored at safe temperatures. Health experts say food stored above 40 degrees for more than two hours can be dangerous to eat. When food is too hot, it can cause food born illnesses like E-coli and salmonella.

To keep your kids lunch at the right temperature, you can place an ice pack inside of the lunch box or see if you can place your child's lunch in the schools refrigerator.