Notify the supervisor of said coworker, and I would speak to that person to get a deeper understanding and hopefully tell them that it is not proper for us to act in such a manner.
You didn't really provide us with any options? It must be noted that generally, the structure of the skeletal system also dictates its function. With that I mean that having bones and a skeletal system enables us to move more efficiently and to have the pose which we have.
No they’re not due to the pesticides that are grown into the food, there isn’t enough research to provide the side effects of said products
Plain and simple... exercise!