it may happen that immediately upon a new glucose reading the "age" time is -1 minute. then after a few seconds it goes back to zero minutes. I suggest ensuring that in the event of a negative number (even for a few seconds) the app still displays zero minutes

it may happen that immediately upon a new glucose reading the "age" time is -1 minute. then after a few seconds it goes back to zero minutes. I suggest ensuring that in the event of a negative number (even for a few seconds) the app still displays zero minutes
