The health, well-being and the high enthusiasm of the employee is desirable both from the person point and the organization point of consideration. They could indirectly effect the purpose of the organization.In point 7.1.5 b the psychological factor was added as necessary to create a suitable environment. ignoring the nutritional aspect isn't a lack of the ISO TC 176 working Group?
These are more a vision and commitment of the top management (Leadership) and can be a part of the company vision. I know of a good corporate who believed and still have calisthenics for all in the beginning of the shift and provide good wholesome meals between work.
These cannot however get into standard that focus on Quality management system. Only the directly effecting factors gets a mention. A part of your title also involves the individual's living style and belief systems, which he does carry into the organization within him.