Sugar cravings may be due to dopamine dysfunction

Moving beyond the overly simplistic unhealthy lifestyle paradigm, researchers are slowly uncovering the genetic and epigenetic mechanisms behind obesity. Recent research by Ludmer Centre researcher Dr Patricia P Silveira at McGill and the Douglas Institute and her colleagues has shown that altered dopamine signaling may increase a preference for more palatable high-sugar foods leading to a risk […]

Could our DNA decrease susceptibility to stress and overeating?

Could a genetic variant in our DNA decrease susceptibility to stress and overeating? Glucocorticoids, which are linked to overeating, regulate our body’s energy supply in response to stress. Ludmer Centre researcher Dr Patricia P Silveira and colleagues from research institutes in Brazil, Toronto and Montreal found that adolescents who carry an A3669G variant of the […]