Monitoring Exhaled Breath to Noninvasively Detect Glycemic Events

Inclusion Criteria:

* Who are diagnosed with type 1 diabetes.
* Who are between 12-19 years of age.
* That utilize a Dexcom (G6 or G7) continuous glucose monitoring device.
* That have an established working CGM for at least 12 hours (that does not need to be replaced within 24 hours).
* That are willing to share their daily CGM data for the study.
* That are the only individuals in their household with any type of diabetes diagnosis (type 1 or type 2).
* That are willing to return the device within 24-48 hours of study completion.
* That are located in Indianapolis, IN or its suburban areas.

Exclusion Criteria:

* That are smokers or use tobacco products or who live with someone who smokes in their vicinity.
* That have a condition or abnormality other than type 1 diabetes that in the opinion of the Investigator would compromise the safety of the subject or the quality of the data.
* That utilize closed-loop diabetes management systems.
* That have symptoms or recently been diagnosed with an upper respiratory illness including COVID-19.
* That themselves or a close family member (living within the same household at the time of the data collection period) is on a "ketogenic diet".
* That themselves or a close family member is working in an industry with high and continuous exposure to exogenous VOCs. Examples of such industries include beauty salons and paint manufacturers.
* That are unable or unwilling to cooperate with sample collection.