It is one object of the present invention to provide an air-intake actuated device adapted for delivering a substance to a nasal cavity of a subject, comprising:a. a container for containing said substanceb. a nosepiece extending from said device for placement in proximity to a nose of said subject.c. a valve mechanically connectable to said container, characterized by an ACTIVE CONFIGURATION and an INACTIVE CONFIGURATION and,d. a trigger mechanism adapted to reconfigure said valve from said ACTIVE CONFIGURATION to said INACTIVE CONFIGURATION, and vice versawherein said trigger mechanism is activated by means of said subject intaking air through said mouthpiecefurther wherein said trigger mechanism is adapted to reconfigure said valve from said INACTIVE CONFIGURATION to said ACTIVE CONFIGURATION for a predetermined period of time in response to said subject intake of air.
