Slightly more technically, rubbing two objects together causes a positive charge to build up on one ... two charged surfaces is what causes those zappy discharges. But shockingly (pun intended ...

Customers of Zappy Health tell NPR they were drawn to the online provider by its low prices, its lack of subscription fees and its handy smartphone app with a chat feature for patients to talk to ...

For customers using a telehealth website to get cheaper versions of popular obesity drugs, the low prices turned out to be too good to be true. About Zappy Health: Customers say they were drawn to ...