For those who have become interested in access to their data and how it can be used to benefit us all this webinar organised by useMydata a Patient movement might be of interest.
There are lots of benefits to tracking ones own data and making it available to researchers. But of course there are concerns about privacy and confidentiality.
If you are interested in the subject registration is available at the link.
Thanks @Snellybob very difficult choice and as you say pros and cons to be considered