Daiva E. Nielsen|Ahmed El-Sohemy
A randomized trial of genetic information for personalized nutrition
University of Toronto|University of Toronto
personal genetic information become increasingly accessible public result directtoconsumer dtc genetic tests however concerns raised value potential risks compared effects providing genotypebased dietary advice general recommendations behavioral outcomes using randomized controlled study participants men women toronto nutrigenomics health study ages 2035 years n 149 completed survey assess awareness dtc genetic tests nutrigenomics well potential motivations undergoing genetic testing participants randomized intervention control c group given either genotypebased personalized dietary advice general dietary advice respectively second survey administered assess participants opinions dietary reports received greater proportion participants intervention group agreed understood dietary advice given 93 vs 78 c p 0009 participants intervention group likely agree dietary recommendations received would useful considering diet 88 vs 72 c p 002 wanted know recommendations 95 vs 76 c p 00001 9 participants intervention group reported feeling uneasy learning genetic information findings suggest individuals find dietary recommendations based genetics understandable useful general dietary advice feel uneasy receiving genetic information relates personalized nutrition