Systems and methods for identifying exposure to a recognizable item

A wearable apparatus for identifying exposure to a recognizable item, the wearable apparatus comprising:

• a wearable image sensor configured to capture a plurality of images from an environment of a user of the wearable apparatus;
• and
• at least one processing device programmed to:
• analyze the plurality of images to identify one or more of the plurality of images that include the recognizable item;
• determine, based on analysis of the one or more of the plurality of images that include the recognizable item, information associated with the recognizable item;
• and
• transmit, to an external device, the information associated with the recognizable item and information identifying the user of the wearable apparatus, wherein the external device is programmed to determine an exposure level of the user to the recognizable item in an environment of the user, the exposure level including a frequency at which the user encounters the recognizable item in the environment of the user per unit time.