Abstract: An aerosol-generating system is provided, including: a health monitoring device including a sensor to collect health data from a user, a controller to receive the health data and determine a health parameter based on the data, and a health monitoring device power supply to supply electrical power to the controller and the sensor, the device not being an aerosol generator; an aerosol-generating device including a cavity to receive a plug of tobacco, an aerosol-generator to generate aerosol from the plug, and an aerosol-generating device power supply configured to supply electrical power to the aerosol-generator; and a charger including a cavity to receive the health monitoring and aerosol generating devices, and a charger power supply to transfer electrical power to the health monitoring device power supply, and from the charging unit power supply to the aerosol-generating device power supply, the cavity being a single cavity.