I explain that tracking intake has a lot more to do with the big picture of nutrition. You learn not only what your macronutrients (protein, fats, and carbohydrates) and calories look like, but also your micronutrients (vitamins and minerals) that literally run the show, affecting how you feel and what you crave.
There are numerous environmental, socioeconomic, and health concerns regarding GMOs. Environmental concerns consist of lack of crop diversity and possible impact to pollinators and eventual food supply. Socioeconomic concerns reflect negative impact to farmers and lower-income individuals exposed disproportionately to more processed-food GMOs than higher income Americans. Many health concerns revolve around uncertainty about the impact to the gut microbiome and overall health in humans, in part because of minimal epidemiological and longitudinal studies completed.