These studies don't hold up in reality - depends on the age/sex/culture of the people you work with. And you'll be working with completely different people each shift, depending what type of work you do. Not even taking into account whether youre a Pisces born Year of the Tiger or a Leo born Year of the Rabbit, and so forth. Life just isn't this simple.
but why would all these companies suddenly comply to one standard, do they understand how innovation and technology works, it doesnt stand still for anyone
Ya pretty sure we always knew this. When the body is looking to create energy, the first thing is goes for is carbs, then proteins and fats. Makes sense our brain would have an addictive relationship with carbs.