@karen00, you receive emails for all new posts for the groups you follow and discussions you have participated in. Additionally, you receive a Daily Digest with the summary of the day's activity. It is possible that you discover different emails in your Digest, which is great.

Click on your name to see your profile details and which groups you follow. Learn more about setting your notification preferences in this guide: https://connect.mayoclinic.org/get-started-on-connect/