Zeit·geist:
the spirit of the time; the cultural, intellectual, ethical, spiritual and general trend of a particular period of time,
along with the general ambience, morals, and socio-cultural direction or mood of an era.

Nearly on every corner in the so-called western world one can find a fast food outlet.
Our way of eating has because of this changed.

In contrast: It is estimated that some 800 million people in the world suffer from hunger and malnutrition.