In their defence they just don't have the time to read this stuff, but you have the time to show them it and where you found it. Also there is inertia to change with all most everything. To survive a with a better quality of life and quantity too, it is up to you. There are lots of references to different studies trends etc here. Just look back through all the previous comments and studies.
It is your life so make it happen!
THE MAIN STREAM MEDIA AND MEDICINE IS STARTING TO CATCH ON!