participants

In two public surveys conducted as part of the research, Keserű said, participants were outraged and felt exploited in scenarios where their health data were sold for a profit without their knowledge.

Paul’s team claimed these hybrid animals would somehow make participants money by passively generating more Zoo Tokens.

"For this study, we often had to reach out to participants to ask what kind of meat they'd put in their sandwich, or whether their coffee had sugar in it," Dr. Kleinberg explains.

The aromas the team tested on participants were vanilla, almond, lemon, lemon myrtle, eucalyptus, peppermint, vinegar and lemongrass.

The study's primary limitation is that participants were healthy and did not have heart failure or risk factors for developing heart failure at the time of enrollment.