Answer:
Look up cancer and see what it does to your immune system...
Explanation:
The recommended weight limit according to NIOSH would be base on an equation and is dependent to a number of factors. This equation is called the NIOSH Lifting equation. Under ideal conditions, the maximum recommended weight is 51 pounds. Hope this answers the question.
12= ethmoid sinuses
13= temporomandibular joint
Long-time activities, such as a long running(or the Pacer Test), swimming, and biking.
Hope this helps! :)