If McDonald's can no longer differentiate itself on price or quality, it needs a bold strategy -- or it will go out of business. McDonald's smart move will be to compete on profits -- not by cutting prices, but by raising wages.
Junk food has changed. Saturated fats were largely replaced by partially hydrogenated vegetable oils. Such oils are rich in trans fats, which are now known to stoke inflammation and lead to weight gain.
I am a trained chef and a self-confessed food snob. Despite my education in one of the finest cooking schools in Paris and training in classical Michelin starred restaurants, I couldn't be happier chowing down a Big Mac meal with large fries.