According to a guide for Sensory Evaluation of Products by Children published by the American Society for Testing and Materials kids as young as 3 are definitely able to discriminate between what they like and dislike.
Cox's demonstration follows a series of announcements about its proprietary video products and services, including personalized recommendations through its Trio Program Guide.
There is a need for changes in the regulatory framework to better guide the consumers and the industry about the appropriate level and use of caffeinated products.