https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4270213/ «(i)…
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4270213/
«(i) generating cravings for foods that they specialize on or foods that suppress their competitors, or
(ii) inducing dysphoria until we eat foods that enhance their fitness.»