You can find and edit your email address under your profile settings.
You can access your profile settings from your Home screen by clicking the "Your Settings" button. You can also find a link to your profile settings in the drop down menu beside your profile picture in the upper right corner.
You will see a text field there with your current email address. Select to edit and then save your changes by hitting “Save” in the upper right corner of your Profile.
If you cannot access your account, please use the “Need help?” link on the main menu to request more help recovering your account information.