Hey, breathing exercises do seem to have quite a positive effect, and are very low cost and low risk - recent meta-analysis here [0]. One of the reasons the evidence base is so patchy, is that compliance is generally quite low, which is one of the reasons for making a digital platform that can map any benefit to how frequently patients use the platform.

The wellness version only creates an anonymised token to track installs - no other data is shared. The medical device version will be a separate app.

[0] https://pubmed.ncbi.nlm.nih.gov/39477355/