At the annual CES trade show in Las Vegas, artificial intelligence once again stole the spotlight—this time, in consumer health gadgets promising everything from heart health insights to hormone tracking. Experts, however, remain cautious and question the devices’ claims and reliability.

CES, once famed for its flashy devices and quirky tech, has entered a new era where artificial intelligence reigns supreme. Nvidia CEO Jensen Huang is a major force behind this shift, bringing fresh credibility and innovation to the annual event.