Orbita, a company that makes a personal assistant-like AI platform focused on healthcare, has published the results of a study that shows this is what the US adults recruited to it want from their voice-controlled searches. It apparently concludes that 7.5% of this group have used services such as Alexa for this purpose, whereas over 50% would like to.
https://www.notebookcheck.net/New-research-asserts-many-adults-want-smart-assistants-to-help-look-after-their-health.440659.0.html