Knowing the exposome is not only difficult because it is absolutely different for each individual. In addition, it must be taken into account that each molecule that comes into contact with us interacts with many others and, during this process, undergoes changes. And if that was not enough,the environment around us is constantly changingthroughout our existence. Without forgetting that, in the same circumstances, each subject responds differently. Stephen M. Rappaport, from the University of California at Berkeley (USA), uses a cinematographic metaphor and assures that so that the task is not overwhelming, the most sensible thing would be to make a “trailer of our life”, that is, to choose only ” a few frames “, the most important.
For his part, Bill Davenhall, from the Geographic Information Systems company ESRI, in the United States, is convinced thatall the places where we have lived and will live, as well as the places where we work or spend leisure time,determine what we can get sick from. In fact, there is abundant information on geographic variations in the incidence of many pathologies. “Our health depends to a large extent on where we have lived, although that never appears in our medical history,” Davenhall laments, although he assures that there are several research projects underway that could provide a remedy in the not too distant future .
